IRWD
Ironwood Pharmaceuticals, Inc. - Class A
stockNASDAQ
Market OpenOct 21, 2026 3:36:58 PM EDT
3.58USD-1.515%(-0.05)999,358
Pre-marketOct 21, 2026 9:29:54 AM EDT
3.68USD+1.377%(+0.05)
IRWD Off Exchange & Dark Pool Summary
Today’s Off Exchange & Dark Pool volume is 514,806, which is 57.28% of today’s total volume. Today’s Lit volume is 384,022 (42.72%). Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.27%, and the average Lit volume 59.73%.
| Exchange | Day % | Volume | 30D % |
|---|---|---|---|
| Off Exchange1 | 57.28% | 514,806 | 40.27% |
| Nasdaq GSM | 14.32% | 128,742 | 36.03% |
| IEX | 10.83% | 97,354 | 6.05% |
| NYSE Arca | 5.53% | 49,737 | 5.49% |
| Cboe EDGX | 3.84% | 34,508 | 2.90% |
| Cboe BZX | 2.60% | 23,397 | 3.07% |
| NYSE | 1.82% | 16,346 | 1.82% |
| NYSE National | 1.49% | 13,355 | 0.89% |
| MEMX | 0.79% | 7,145 | 1.06% |
| Cboe BYX | 0.60% | 5,407 | 0.96% |
| Cboe EDGA | 0.31% | 2,771 | 0.48% |
| MIAX Pearl | 0.28% | 2,515 | 0.37% |
| Nasdaq PHLX | 0.17% | 1,509 | 0.15% |
| NYSE American | 0.09% | 773 | 0.09% |
| Nasdaq BX | 0.05% | 462 | 0.23% |
| CHX | 0.00% | 1 | 0.04% |
IRWD Volume by Exchange
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IRWD Volume by Exchange
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IRWD Volume by Exchange · History
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| Date | Off Exchange1 | Nasdaq GSM | IEX | NYSE Arca | Cboe EDGX | Cboe BZX | NYSE | NYSE National | MEMX | Cboe BYX | Cboe EDGA | MIAX Pearl | Nasdaq PHLX | NYSE American | Nasdaq BX | CHX | TXSE | 24X National | LTSE |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-21 | 57.28 | 14.32 | 10.83 | 5.53 | 3.84 | 2.60 | 1.82 | 1.49 | 0.79 | 0.60 | 0.31 | 0.28 | 0.17 | 0.09 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2026-10-20 | 45.89 | 27.94 | 6.38 | 6.11 | 2.23 | 2.78 | 1.50 | 1.73 | 1.11 | 2.26 | 0.49 | 0.38 | 0.07 | 0.02 | 0.92 | 0.00 | 0.15 | 0.02 | 0.00 |
| 2026-10-19 | 41.91 | 30.31 | 7.67 | 6.16 | 2.45 | 3.86 | 1.31 | 1.24 | 1.39 | 1.88 | 0.51 | 0.23 | 0.35 | 0.08 | 0.51 | 0.04 | 0.04 | 0.04 | 0.00 |
| 2026-10-16 | 46.92 | 29.37 | 5.12 | 5.25 | 4.18 | 3.13 | 2.20 | 0.86 | 1.16 | 0.67 | 0.30 | 0.39 | 0.12 | 0.02 | 0.26 | 0.00 | 0.06 | 0.01 | 0.00 |
| 2026-10-15 | 49.50 | 23.03 | 5.60 | 6.95 | 2.64 | 4.77 | 2.04 | 0.83 | 1.86 | 1.33 | 0.57 | 0.36 | 0.26 | 0.06 | 0.04 | 0.05 | 0.00 | 0.12 | 0.00 |
| 2026-10-14 | 44.30 | 31.56 | 5.95 | 6.94 | 1.93 | 3.82 | 1.88 | 0.51 | 0.82 | 0.71 | 0.78 | 0.18 | 0.07 | 0.18 | 0.06 | 0.28 | 0.03 | 0.00 | 0.00 |
| 2026-10-13 | 41.83 | 28.98 | 9.82 | 5.84 | 2.73 | 4.42 | 1.83 | 0.80 | 1.17 | 0.97 | 0.36 | 0.75 | 0.03 | 0.08 | 0.31 | 0.00 | 0.09 | 0.00 | 0.00 |
| 2026-10-12 | 37.85 | 29.51 | 8.98 | 7.00 | 4.39 | 4.39 | 2.18 | 1.13 | 1.61 | 1.64 | 0.73 | 0.14 | 0.24 | 0.02 | 0.19 | 0.00 | 0.01 | 0.00 | 0.00 |
| 2026-10-09 | 40.50 | 26.91 | 9.57 | 6.45 | 3.82 | 4.45 | 3.21 | 0.79 | 1.13 | 0.88 | 0.92 | 0.79 | 0.30 | 0.00 | 0.13 | 0.00 | 0.07 | 0.02 | 0.07 |
| 2026-10-08 | 33.27 | 45.02 | 5.35 | 4.24 | 2.27 | 3.35 | 2.07 | 0.89 | 1.29 | 1.06 | 0.29 | 0.27 | 0.07 | 0.04 | 0.27 | 0.00 | 0.25 | 0.01 | 0.00 |
| 2026-10-07 | 55.55 | 20.09 | 5.45 | 7.73 | 2.31 | 2.61 | 1.89 | 0.66 | 0.77 | 0.89 | 0.38 | 1.17 | 0.09 | 0.10 | 0.25 | 0.00 | 0.01 | 0.04 | 0.00 |
| 2026-10-06 | 42.49 | 31.15 | 4.72 | 7.44 | 2.94 | 3.94 | 2.40 | 0.87 | 0.93 | 1.59 | 0.59 | 0.30 | 0.00 | 0.04 | 0.51 | 0.00 | 0.09 | 0.01 | 0.00 |
| 2026-10-05 | 45.30 | 30.85 | 7.93 | 4.25 | 1.97 | 2.65 | 1.31 | 1.07 | 0.98 | 1.19 | 1.08 | 0.39 | 0.40 | 0.17 | 0.31 | 0.02 | 0.03 | 0.10 | 0.00 |
| 2026-10-02 | 37.25 | 32.24 | 7.10 | 5.52 | 4.44 | 3.76 | 3.28 | 1.27 | 1.50 | 0.67 | 0.88 | 0.73 | 0.72 | 0.27 | 0.21 | 0.02 | 0.14 | 0.02 | 0.00 |
| 2026-10-01 | 42.02 | 30.26 | 5.60 | 6.52 | 5.32 | 3.07 | 3.11 | 0.55 | 1.34 | 0.70 | 0.40 | 0.45 | 0.27 | 0.09 | 0.26 | 0.00 | 0.02 | 0.03 | 0.00 |
| 2026-09-30 | 33.48 | 41.88 | 7.29 | 5.82 | 3.56 | 2.22 | 1.81 | 1.28 | 0.72 | 1.08 | 0.16 | 0.43 | 0.06 | 0.03 | 0.01 | 0.04 | 0.10 | 0.02 | 0.00 |
| 2026-09-29 | 37.87 | 40.20 | 6.22 | 5.63 | 2.11 | 2.65 | 1.50 | 1.04 | 1.03 | 0.92 | 0.18 | 0.30 | 0.13 | 0.04 | 0.14 | 0.00 | 0.04 | 0.00 | 0.00 |
| 2026-09-28 | 68.77 | 19.05 | 4.25 | 2.29 | 1.23 | 1.49 | 1.36 | 0.33 | 0.19 | 0.52 | 0.12 | 0.09 | 0.02 | 0.03 | 0.08 | 0.15 | 0.02 | 0.00 | 0.00 |
| 2026-09-25 | 32.75 | 39.35 | 5.47 | 6.31 | 3.25 | 3.20 | 3.37 | 1.02 | 1.24 | 0.92 | 1.28 | 0.37 | 0.19 | 0.63 | 0.17 | 0.18 | 0.26 | 0.02 | 0.00 |
| 2026-09-24 | 41.78 | 30.43 | 8.17 | 6.70 | 2.07 | 2.73 | 2.11 | 1.89 | 1.04 | 1.88 | 0.30 | 0.22 | 0.06 | 0.24 | 0.19 | 0.02 | 0.14 | 0.05 | 0.00 |
| 2026-09-23 | 36.36 | 36.05 | 7.82 | 6.05 | 3.52 | 4.18 | 2.20 | 0.65 | 1.14 | 0.49 | 0.31 | 0.58 | 0.12 | 0.07 | 0.30 | 0.12 | 0.00 | 0.03 | 0.00 |
| 2026-09-22 | 55.81 | 21.48 | 5.23 | 7.48 | 1.91 | 3.28 | 1.28 | 0.72 | 1.20 | 0.53 | 0.38 | 0.23 | 0.09 | 0.04 | 0.15 | 0.04 | 0.07 | 0.09 | 0.00 |
| 2026-09-21 | 37.14 | 31.41 | 6.05 | 7.92 | 7.53 | 3.81 | 2.02 | 0.94 | 1.07 | 0.81 | 0.43 | 0.26 | 0.14 | 0.11 | 0.17 | 0.01 | 0.09 | 0.07 | 0.00 |
| 2026-09-18 | 16.69 | 74.22 | 1.99 | 2.24 | 1.10 | 1.28 | 0.61 | 0.34 | 0.54 | 0.31 | 0.35 | 0.11 | 0.02 | 0.04 | 0.09 | 0.03 | 0.03 | 0.01 | 0.00 |
| 2026-09-17 | 42.62 | 36.22 | 4.97 | 4.08 | 2.81 | 3.66 | 1.13 | 0.62 | 1.40 | 1.01 | 0.50 | 0.25 | 0.15 | 0.10 | 0.27 | 0.07 | 0.13 | 0.01 | 0.00 |
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