What is your rollout schedule?
Please see the latest Trader Alert for details.
What is the market schedule?
| Time (Eastern) | Trading Status |
| 9:30A | Market Open |
| 4:00P | Market Close |
| 4:15P | Market Close (Select ETPs and Index Products) |
What about market data?
The MEMX OPRA Participation ID is “U”.
What symbols are currently active?
Please see our Instrument Directory for the currently active symbol list.
Primary MEMOIR Multicast Feeds
| Service | Stripe | Side | Multicast Group IP | UDP Port |
|---|
| Depth | 1 | A | 233.142.18.16 | 17000 |
| Top | 1 | A | 233.142.18.17 | 17100 |
| Depth | 2 | A | 233.142.18.18 | 17001 |
| Top | 2 | A | 233.142.18.19 | 17101 |
| Depth | 3 | A | 233.142.18.20 | 17002 |
| Top | 3 | A | 233.142.18.21 | 17102 |
| Depth | 4 | A | 233.142.18.22 | 17003 |
| Top | 4 | A | 233.142.18.23 | 17103 |
| Depth | 5 | A | 233.142.18.24 | 17004 |
| Top | 5 | A | 233.142.18.25 | 17104 |
| Depth | 6 | A | 233.142.18.26 | 17005 |
| Top | 6 | A | 233.142.18.27 | 17105 |
| Depth | 7 | A | 233.142.18.28 | 17006 |
| Top | 7 | A | 233.142.18.29 | 17106 |
| Depth | 8 | A | 233.142.18.30 | 17007 |
| Top | 8 | A | 233.142.18.31 | 17107 |
| Depth | 1 | B | 233.142.18.48 | 17000 |
| Top | 1 | B | 233.142.18.49 | 17100 |
| Depth | 2 | B | 233.142.18.50 | 17001 |
| Top | 2 | B | 233.142.18.51 | 17101 |
| Depth | 3 | B | 233.142.18.52 | 17002 |
| Top | 3 | B | 233.142.18.53 | 17102 |
| Depth | 4 | B | 233.142.18.54 | 17003 |
| Top | 4 | B | 233.142.18.55 | 17103 |
| Depth | 5 | B | 233.142.18.56 | 17004 |
| Top | 5 | B | 233.142.18.57 | 17104 |
| Depth | 6 | B | 233.142.18.58 | 17005 |
| Top | 6 | B | 233.142.18.59 | 17105 |
| Depth | 7 | B | 233.142.18.60 | 17006 |
| Top | 7 | B | 233.142.18.61 | 17106 |
| Depth | 8 | B | 233.142.18.62 | 17007 |
| Top | 8 | B | 233.142.18.63 | 17107 |
Primary Gap Fill Targets
| Type | Target IP | Port | Credentials (user:password) | Stripe |
|---|
| MEMOIR Depth Replay | 74.119.48.160 | 23101 | memoirdepthreplay:memoirdepthreplay | 1 |
| MEMOIR Depth Replay | 74.119.48.176 | 23101 | memoirdepthreplay:memoirdepthreplay | 1 |
| MEMOIR Depth Replay | 74.119.48.161 | 23102 | memoirdepthreplay:memoirdepthreplay | 2 |
| MEMOIR Depth Replay | 74.119.48.177 | 23102 | memoirdepthreplay:memoirdepthreplay | 2 |
| MEMOIR Depth Replay | 74.119.48.162 | 23103 | memoirdepthreplay:memoirdepthreplay | 3 |
| MEMOIR Depth Replay | 74.119.48.178 | 23103 | memoirdepthreplay:memoirdepthreplay | 3 |
| MEMOIR Depth Replay | 74.119.48.163 | 23104 | memoirdepthreplay:memoirdepthreplay | 4 |
| MEMOIR Depth Replay | 74.119.48.179 | 23104 | memoirdepthreplay:memoirdepthreplay | 4 |
| MEMOIR Depth Replay | 74.119.48.164 | 23105 | memoirdepthreplay:memoirdepthreplay | 5 |
| MEMOIR Depth Replay | 74.119.48.180 | 23105 | memoirdepthreplay:memoirdepthreplay | 5 |
| MEMOIR Depth Replay | 74.119.48.165 | 23106 | memoirdepthreplay:memoirdepthreplay | 6 |
| MEMOIR Depth Replay | 74.119.48.181 | 23106 | memoirdepthreplay:memoirdepthreplay | 6 |
| MEMOIR Depth Replay | 74.119.48.166 | 23107 | memoirdepthreplay:memoirdepthreplay | 7 |
| MEMOIR Depth Replay | 74.119.48.182 | 23107 | memoirdepthreplay:memoirdepthreplay | 7 |
| MEMOIR Depth Replay | 74.119.48.167 | 23108 | memoirdepthreplay:memoirdepthreplay | 8 |
| MEMOIR Depth Replay | 74.119.48.183 | 23108 | memoirdepthreplay:memoirdepthreplay | 8 |
| Type | Target IP | Port | Credentials (user:password) | Stripe |
|---|
| MEMOIR Top Replay | 74.119.48.168 | 23201 | memoirtopreplay:memoirtopreplay | 1 |
| MEMOIR Top Replay | 74.119.48.184 | 23201 | memoirtopreplay:memoirtopreplay | 1 |
| MEMOIR Top Replay | 74.119.48.169 | 23202 | memoirtopreplay:memoirtopreplay | 2 |
| MEMOIR Top Replay | 74.119.48.185 | 23202 | memoirtopreplay:memoirtopreplay | 2 |
| MEMOIR Top Replay | 74.119.48.170 | 23203 | memoirtopreplay:memoirtopreplay | 3 |
| MEMOIR Top Replay | 74.119.48.186 | 23203 | memoirtopreplay:memoirtopreplay | 3 |
| MEMOIR Top Replay | 74.119.48.171 | 23204 | memoirtopreplay:memoirtopreplay | 4 |
| MEMOIR Top Replay | 74.119.48.187 | 23204 | memoirtopreplay:memoirtopreplay | 4 |
| MEMOIR Top Replay | 74.119.48.172 | 23205 | memoirtopreplay:memoirtopreplay | 5 |
| MEMOIR Top Replay | 74.119.48.188 | 23205 | memoirtopreplay:memoirtopreplay | 5 |
| MEMOIR Top Replay | 74.119.48.173 | 23206 | memoirtopreplay:memoirtopreplay | 6 |
| MEMOIR Top Replay | 74.119.48.189 | 23206 | memoirtopreplay:memoirtopreplay | 6 |
| MEMOIR Top Replay | 74.119.48.174 | 23207 | memoirtopreplay:memoirtopreplay | 7 |
| MEMOIR Top Replay | 74.119.48.190 | 23207 | memoirtopreplay:memoirtopreplay | 7 |
| MEMOIR Top Replay | 74.119.48.175 | 23208 | memoirtopreplay:memoirtopreplay | 8 |
| MEMOIR Top Replay | 74.119.48.191 | 23208 | memoirtopreplay:memoirtopreplay | 8 |
Primary Snapshot Targets
| Type | Target IP | Port | Credentials (user:password) | Stripe |
|---|
| MEMOIR Depth Snapshot | 74.119.48.160 | 23151 | memoirdepthsnapshot:memoirdepthsnapshot | 1 |
| MEMOIR Depth Snapshot | 74.119.48.176 | 23151 | memoirdepthsnapshot:memoirdepthsnapshot | 1 |
| MEMOIR Depth Snapshot | 74.119.48.161 | 23152 | memoirdepthsnapshot:memoirdepthsnapshot | 2 |
| MEMOIR Depth Snapshot | 74.119.48.177 | 23152 | memoirdepthsnapshot:memoirdepthsnapshot | 2 |
| MEMOIR Depth Snapshot | 74.119.48.162 | 23153 | memoirdepthsnapshot:memoirdepthsnapshot | 3 |
| MEMOIR Depth Snapshot | 74.119.48.178 | 23153 | memoirdepthsnapshot:memoirdepthsnapshot | 3 |
| MEMOIR Depth Snapshot | 74.119.48.163 | 23154 | memoirdepthsnapshot:memoirdepthsnapshot | 4 |
| MEMOIR Depth Snapshot | 74.119.48.179 | 23154 | memoirdepthsnapshot:memoirdepthsnapshot | 4 |
| MEMOIR Depth Snapshot | 74.119.48.164 | 23155 | memoirdepthsnapshot:memoirdepthsnapshot | 5 |
| MEMOIR Depth Snapshot | 74.119.48.180 | 23155 | memoirdepthsnapshot:memoirdepthsnapshot | 5 |
| MEMOIR Depth Snapshot | 74.119.48.165 | 23156 | memoirdepthsnapshot:memoirdepthsnapshot | 6 |
| MEMOIR Depth Snapshot | 74.119.48.181 | 23156 | memoirdepthsnapshot:memoirdepthsnapshot | 6 |
| MEMOIR Depth Snapshot | 74.119.48.166 | 23157 | memoirdepthsnapshot:memoirdepthsnapshot | 7 |
| MEMOIR Depth Snapshot | 74.119.48.182 | 23157 | memoirdepthsnapshot:memoirdepthsnapshot | 7 |
| MEMOIR Depth Snapshot | 74.119.48.167 | 23158 | memoirdepthsnapshot:memoirdepthsnapshot | 8 |
| MEMOIR Depth Snapshot | 74.119.48.183 | 23158 | memoirdepthsnapshot:memoirdepthsnapshot | 8 |
| Type | TargetIP | Port | Credentials (user:password) | Stripe |
|---|
| MEMOIR Top Snapshot | 74.119.48.168 | 23251 | memoirtopsnapshot:memoirtopsnapshot | 1 |
| MEMOIR Top Snapshot | 74.119.48.184 | 23251 | memoirtopsnapshot:memoirtopsnapshot | 1 |
| MEMOIR Top Snapshot | 74.119.48.169 | 23252 | memoirtopsnapshot:memoirtopsnapshot | 2 |
| MEMOIR Top Snapshot | 74.119.48.185 | 23252 | memoirtopsnapshot:memoirtopsnapshot | 2 |
| MEMOIR Top Snapshot | 74.119.48.170 | 23253 | memoirtopsnapshot:memoirtopsnapshot | 3 |
| MEMOIR Top Snapshot | 74.119.48.186 | 23253 | memoirtopsnapshot:memoirtopsnapshot | 3 |
| MEMOIR Top Snapshot | 74.119.48.171 | 23254 | memoirtopsnapshot:memoirtopsnapshot | 4 |
| MEMOIR Top Snapshot | 74.119.48.187 | 23254 | memoirtopsnapshot:memoirtopsnapshot | 4 |
| MEMOIR Top Snapshot | 74.119.48.172 | 23255 | memoirtopsnapshot:memoirtopsnapshot | 5 |
| MEMOIR Top Snapshot | 74.119.48.188 | 23255 | memoirtopsnapshot:memoirtopsnapshot | 5 |
| MEMOIR Top Snapshot | 74.119.48.173 | 23256 | memoirtopsnapshot:memoirtopsnapshot | 6 |
| MEMOIR Top Snapshot | 74.119.48.189 | 23256 | memoirtopsnapshot:memoirtopsnapshot | 6 |
| MEMOIR Top Snapshot | 74.119.48.174 | 23257 | memoirtopsnapshot:memoirtopsnapshot | 7 |
| MEMOIR Top Snapshot | 74.119.48.190 | 23257 | memoirtopsnapshot:memoirtopsnapshot | 7 |
| MEMOIR Top Snapshot | 74.119.48.175 | 23258 | memoirtopsnapshot:memoirtopsnapshot | 8 |
| MEMOIR Top Snapshot | 74.119.48.191 | 23258 | memoirtopsnapshot:memoirtopsnapshot | 8 |
Secondary MEMOIR Multicast Feeds
| Service | Stripe | Side | Multicast Group IP | UDP Port |
| Depth | 1 | A | 233.142.18.80 | 17000 |
| Top | 1 | A | 233.142.18.81 | 17100 |
| Depth | 2 | A | 233.142.18.82 | 17001 |
| Top | 2 | A | 233.142.18.83 | 17101 |
| Depth | 3 | A | 233.142.18.84 | 17002 |
| Top | 3 | A | 233.142.18.85 | 17102 |
| Depth | 4 | A | 233.142.18.86 | 17003 |
| Top | 4 | A | 233.142.18.87 | 17103 |
| Depth | 5 | A | 233.142.18.88 | 17004 |
| Top | 5 | A | 233.142.18.89 | 17104 |
| Depth | 6 | A | 233.142.18.90 | 17005 |
| Top | 6 | A | 233.142.18.91 | 17105 |
| Depth | 7 | A | 233.142.18.92 | 17006 |
| Top | 7 | A | 233.142.18.93 | 17106 |
| Depth | 8 | A | 233.142.18.94 | 17007 |
| Top | 8 | A | 233.142.18.95 | 17107 |
| Depth | 1 | B | 233.142.18.112 | 17000 |
| Top | 1 | B | 233.142.18.113 | 17100 |
| Depth | 2 | B | 233.142.18.114 | 17001 |
| Top | 2 | B | 233.142.18.115 | 17101 |
| Depth | 3 | B | 233.142.18.116 | 17002 |
| Top | 3 | B | 233.142.18.117 | 17102 |
| Depth | 4 | B | 233.142.18.118 | 17003 |
| Top | 4 | B | 233.142.18.119 | 17103 |
| Depth | 5 | B | 233.142.18.120 | 17004 |
| Top | 5 | B | 233.142.18.121 | 17104 |
| Depth | 6 | B | 233.142.18.122 | 17005 |
| Top | 6 | B | 233.142.18.123 | 17105 |
| Depth | 7 | B | 233.142.18.124 | 17006 |
| Top | 7 | B | 233.142.18.125 | 17106 |
| Depth | 8 | B | 233.142.18.126 | 17007 |
| Top | 8 | B | 233.142.18.127 | 17107 |
Secondary Gap Fill Targets
| Type | Target IP | Port | Credentials (user:password) | Stripe |
|---|
| MEMOIR Depth Replay | 74.119.49.160 | 23101 | memoirdepthreplay:memoirdepthreplay | 1 |
| MEMOIR Depth Replay | 74.119.49.176 | 23101 | memoirdepthreplay:memoirdepthreplay | 1 |
| MEMOIR Depth Replay | 74.119.49.161 | 23102 | memoirdepthreplay:memoirdepthreplay | 2 |
| MEMOIR Depth Replay | 74.119.49.177 | 23102 | memoirdepthreplay:memoirdepthreplay | 2 |
| MEMOIR Depth Replay | 74.119.49.162 | 23103 | memoirdepthreplay:memoirdepthreplay | 3 |
| MEMOIR Depth Replay | 74.119.49.178 | 23103 | memoirdepthreplay:memoirdepthreplay | 3 |
| MEMOIR Depth Replay | 74.119.49.163 | 23104 | memoirdepthreplay:memoirdepthreplay | 4 |
| MEMOIR Depth Replay | 74.119.49.179 | 23104 | memoirdepthreplay:memoirdepthreplay | 4 |
| MEMOIR Depth Replay | 74.119.49.164 | 23105 | memoirdepthreplay:memoirdepthreplay | 5 |
| MEMOIR Depth Replay | 74.119.49.180 | 23105 | memoirdepthreplay:memoirdepthreplay | 5 |
| MEMOIR Depth Replay | 74.119.49.165 | 23106 | memoirdepthreplay:memoirdepthreplay | 6 |
| MEMOIR Depth Replay | 74.119.49.181 | 23106 | memoirdepthreplay:memoirdepthreplay | 6 |
| MEMOIR Depth Replay | 74.119.49.166 | 23107 | memoirdepthreplay:memoirdepthreplay | 7 |
| MEMOIR Depth Replay | 74.119.49.182 | 23107 | memoirdepthreplay:memoirdepthreplay | 7 |
| MEMOIR Depth Replay | 74.119.49.167 | 23108 | memoirdepthreplay:memoirdepthreplay | 8 |
| MEMOIR Depth Replay | 74.119.49.183 | 23108 | memoirdepthreplay:memoirdepthreplay | 8 |
| Type | Target IP | Port | Credentials (user:password) | Stripe |
|---|
| MEMOIR Top Replay | 74.119.49.168 | 23201 | memoirtopreplay:memoirtopreplay | 1 |
| MEMOIR Top Replay | 74.119.49.184 | 23201 | memoirtopreplay:memoirtopreplay | 1 |
| MEMOIR Top Replay | 74.119.49.169 | 23202 | memoirtopreplay:memoirtopreplay | 2 |
| MEMOIR Top Replay | 74.119.49.185 | 23202 | memoirtopreplay:memoirtopreplay | 2 |
| MEMOIR Top Replay | 74.119.49.170 | 23203 | memoirtopreplay:memoirtopreplay | 3 |
| MEMOIR Top Replay | 74.119.49.186 | 23203 | memoirtopreplay:memoirtopreplay | 3 |
| MEMOIR Top Replay | 74.119.49.171 | 23204 | memoirtopreplay:memoirtopreplay | 4 |
| MEMOIR Top Replay | 74.119.49.187 | 23204 | memoirtopreplay:memoirtopreplay | 4 |
| MEMOIR Top Replay | 74.119.49.172 | 23205 | memoirtopreplay:memoirtopreplay | 5 |
| MEMOIR Top Replay | 74.119.49.188 | 23205 | memoirtopreplay:memoirtopreplay | 5 |
| MEMOIR Top Replay | 74.119.49.173 | 23206 | memoirtopreplay:memoirtopreplay | 6 |
| MEMOIR Top Replay | 74.119.49.189 | 23206 | memoirtopreplay:memoirtopreplay | 6 |
| MEMOIR Top Replay | 74.119.49.174 | 23207 | memoirtopreplay:memoirtopreplay | 7 |
| MEMOIR Top Replay | 74.119.49.190 | 23207 | memoirtopreplay:memoirtopreplay | 7 |
| MEMOIR Top Replay | 74.119.49.175 | 23208 | memoirtopreplay:memoirtopreplay | 8 |
| MEMOIR Top Replay | 74.119.49.191 | 23208 | memoirtopreplay:memoirtopreplay | 8 |
Secondary Snapshot Targets
| Type | Target IP | Port | Credentials (user:password) | Stripe |
|---|
| MEMOIR Depth Snapshot | 74.119.49.160 | 23151 | memoirdepthsnapshot:memoirdepthsnapshot | 1 |
| MEMOIR Depth Snapshot | 74.119.49.176 | 23151 | memoirdepthsnapshot:memoirdepthsnapshot | 1 |
| MEMOIR Depth Snapshot | 74.119.49.161 | 23152 | memoirdepthsnapshot:memoirdepthsnapshot | 2 |
| MEMOIR Depth Snapshot | 74.119.49.177 | 23152 | memoirdepthsnapshot:memoirdepthsnapshot | 2 |
| MEMOIR Depth Snapshot | 74.119.49.162 | 23153 | memoirdepthsnapshot:memoirdepthsnapshot | 3 |
| MEMOIR Depth Snapshot | 74.119.49.178 | 23153 | memoirdepthsnapshot:memoirdepthsnapshot | 3 |
| MEMOIR Depth Snapshot | 74.119.49.163 | 23154 | memoirdepthsnapshot:memoirdepthsnapshot | 4 |
| MEMOIR Depth Snapshot | 74.119.49.179 | 23154 | memoirdepthsnapshot:memoirdepthsnapshot | 4 |
| MEMOIR Depth Snapshot | 74.119.49.164 | 23155 | memoirdepthsnapshot:memoirdepthsnapshot | 5 |
| MEMOIR Depth Snapshot | 74.119.49.180 | 23155 | memoirdepthsnapshot:memoirdepthsnapshot | 5 |
| MEMOIR Depth Snapshot | 74.119.49.165 | 23156 | memoirdepthsnapshot:memoirdepthsnapshot | 6 |
| MEMOIR Depth Snapshot | 74.119.49.181 | 23156 | memoirdepthsnapshot:memoirdepthsnapshot | 6 |
| MEMOIR Depth Snapshot | 74.119.49.166 | 23157 | memoirdepthsnapshot:memoirdepthsnapshot | 7 |
| MEMOIR Depth Snapshot | 74.119.49.182 | 23157 | memoirdepthsnapshot:memoirdepthsnapshot | 7 |
| MEMOIR Depth Snapshot | 74.119.49.167 | 23158 | memoirdepthsnapshot:memoirdepthsnapshot | 8 |
| MEMOIR Depth Snapshot | 74.119.49.183 | 23158 | memoirdepthsnapshot:memoirdepthsnapshot | 8 |
| Type | Target IP | Port | Credentials (user:password) | Stripe |
|---|
| MEMOIR Top Snapshot | 74.119.49.168 | 23251 | memoirtopsnapshot:memoirtopsnapshot | 1 |
| MEMOIR Top Snapshot | 74.119.49.184 | 23251 | memoirtopsnapshot:memoirtopsnapshot | 1 |
| MEMOIR Top Snapshot | 74.119.49.169 | 23252 | memoirtopsnapshot:memoirtopsnapshot | 2 |
| MEMOIR Top Snapshot | 74.119.49.185 | 23252 | memoirtopsnapshot:memoirtopsnapshot | 2 |
| MEMOIR Top Snapshot | 74.119.49.170 | 23253 | memoirtopsnapshot:memoirtopsnapshot | 3 |
| MEMOIR Top Snapshot | 74.119.49.186 | 23253 | memoirtopsnapshot:memoirtopsnapshot | 3 |
| MEMOIR Top Snapshot | 74.119.49.171 | 23254 | memoirtopsnapshot:memoirtopsnapshot | 4 |
| MEMOIR Top Snapshot | 74.119.49.187 | 23254 | memoirtopsnapshot:memoirtopsnapshot | 4 |
| MEMOIR Top Snapshot | 74.119.49.172 | 23255 | memoirtopsnapshot:memoirtopsnapshot | 5 |
| MEMOIR Top Snapshot | 74.119.49.188 | 23255 | memoirtopsnapshot:memoirtopsnapshot | 5 |
| MEMOIR Top Snapshot | 74.119.49.173 | 23256 | memoirtopsnapshot:memoirtopsnapshot | 6 |
| MEMOIR Top Snapshot | 74.119.49.189 | 23256 | memoirtopsnapshot:memoirtopsnapshot | 6 |
| MEMOIR Top Snapshot | 74.119.49.174 | 23257 | memoirtopsnapshot:memoirtopsnapshot | 7 |
| MEMOIR Top Snapshot | 74.119.49.190 | 23257 | memoirtopsnapshot:memoirtopsnapshot | 7 |
| MEMOIR Top Snapshot | 74.119.49.175 | 23258 | memoirtopsnapshot:memoirtopsnapshot | 8 |
| MEMOIR Top Snapshot | 74.119.49.191 | 23258 | memoirtopsnapshot:memoirtopsnapshot | 8 |
