REGN
Regeneron Pharmaceuticals Inc
stockNASDAQ
Market OpenOct 29, 2026 9:42:45 AM EDT
826.89USD+1.675%(+13.62)53,675
Pre-marketOct 29, 2026 9:25:30 AM EDT
827.20USD+1.713%(+13.93)
REGN Exchange Volume Summary · 2026-10-28
REGN’s Lit Exchange Volume on 2026-10-28 was 303,399, which is 56.57% of the day’s total volume. Over the past 30 days, Lit Exchange Volume has averaged 58.08% of total volume.
| Exchange | Day % | Volume | 30D % |
|---|---|---|---|
| Off Exchange1 | 43.43% | 232,912 | 41.92% |
| Nasdaq GSM | 39.99% | 214,487 | 37.93% |
| IEX | 4.77% | 25,587 | 4.94% |
| NYSE Arca | 3.68% | 19,750 | 4.40% |
| Cboe BZX | 3.12% | 16,707 | 3.64% |
| Cboe EDGX | 1.19% | 6,358 | 1.49% |
| NYSE | 1.10% | 5,910 | 1.24% |
| Cboe BYX | 0.66% | 3,519 | 0.80% |
| Nasdaq BX | 0.56% | 3,018 | 0.34% |
| MEMX | 0.42% | 2,276 | 0.72% |
| Cboe EDGA | 0.31% | 1,670 | 0.37% |
| NYSE National | 0.26% | 1,372 | 0.29% |
| Nasdaq PHLX | 0.20% | 1,090 | 0.19% |
| MIAX Pearl | 0.14% | 735 | 0.24% |
| NYSE American | 0.11% | 581 | 0.16% |
| CHX | 0.06% | 314 | 1.28% |
| TXSE | 0.00% | 21 | 0.04% |
| 24X National | 0.00% | 4 | 0.01% |
REGN Volume by Exchange
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REGN Volume by Exchange
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REGN Volume by Exchange · History
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| Date | Off Exchange1 | Nasdaq GSM | IEX | NYSE Arca | Cboe BZX | Cboe EDGX | NYSE | Cboe BYX | Nasdaq BX | MEMX | Cboe EDGA | NYSE National | Nasdaq PHLX | MIAX Pearl | NYSE American | CHX | TXSE | 24X National | LTSE |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-28 | 43.43 | 39.99 | 4.77 | 3.68 | 3.12 | 1.19 | 1.10 | 0.66 | 0.56 | 0.42 | 0.31 | 0.26 | 0.20 | 0.14 | 0.11 | 0.06 | 0.00 | 0.00 | 0.00 |
| 2026-10-27 | 37.00 | 41.63 | 5.53 | 3.67 | 6.24 | 1.83 | 1.60 | 0.45 | 0.28 | 0.63 | 0.32 | 0.18 | 0.14 | 0.24 | 0.12 | 0.12 | 0.00 | 0.00 | 0.00 |
| 2026-10-26 | 39.79 | 41.17 | 5.76 | 3.98 | 2.85 | 1.00 | 1.15 | 1.35 | 0.90 | 0.64 | 0.23 | 0.84 | 0.08 | 0.09 | 0.04 | 0.07 | 0.06 | 0.01 | 0.00 |
| 2026-10-23 | 33.45 | 31.99 | 5.21 | 3.52 | 3.45 | 1.34 | 1.20 | 0.46 | 0.19 | 0.34 | 0.20 | 0.36 | 0.08 | 0.04 | 0.07 | 18.09 | 0.01 | 0.00 | 0.00 |
| 2026-10-22 | 41.87 | 38.06 | 6.00 | 4.71 | 2.32 | 1.42 | 1.46 | 2.00 | 0.23 | 0.75 | 0.40 | 0.18 | 0.08 | 0.23 | 0.11 | 0.09 | 0.09 | 0.01 | 0.00 |
| 2026-10-21 | 45.11 | 37.04 | 5.51 | 4.02 | 3.90 | 1.53 | 1.01 | 0.60 | 0.10 | 0.44 | 0.24 | 0.10 | 0.03 | 0.16 | 0.11 | 0.11 | 0.00 | 0.00 | 0.00 |
| 2026-10-20 | 44.39 | 31.94 | 5.02 | 4.43 | 5.99 | 1.63 | 1.54 | 0.91 | 0.56 | 0.95 | 1.01 | 0.27 | 0.55 | 0.27 | 0.35 | 0.17 | 0.03 | 0.00 | 0.00 |
| 2026-10-19 | 39.61 | 33.96 | 6.56 | 5.02 | 5.28 | 2.51 | 2.14 | 1.37 | 0.19 | 1.05 | 0.69 | 0.22 | 0.30 | 0.40 | 0.34 | 0.35 | 0.00 | 0.01 | 0.00 |
| 2026-10-16 | 44.27 | 37.72 | 5.59 | 3.97 | 3.45 | 1.30 | 0.97 | 0.70 | 0.30 | 0.48 | 0.22 | 0.28 | 0.29 | 0.13 | 0.11 | 0.11 | 0.01 | 0.08 | 0.00 |
| 2026-10-15 | 38.09 | 37.42 | 5.67 | 7.68 | 5.36 | 1.97 | 1.77 | 0.58 | 0.21 | 0.40 | 0.18 | 0.18 | 0.11 | 0.18 | 0.10 | 0.08 | 0.02 | 0.00 | 0.00 |
| 2026-10-14 | 37.33 | 38.36 | 5.53 | 6.39 | 4.77 | 2.20 | 1.47 | 0.71 | 0.31 | 0.87 | 0.42 | 0.33 | 0.15 | 0.39 | 0.23 | 0.48 | 0.01 | 0.04 | 0.00 |
| 2026-10-13 | 37.33 | 37.28 | 4.83 | 7.67 | 3.84 | 1.85 | 1.59 | 1.56 | 1.04 | 0.93 | 0.27 | 1.20 | 0.07 | 0.14 | 0.19 | 0.14 | 0.08 | 0.00 | 0.00 |
| 2026-10-12 | 44.85 | 31.27 | 8.13 | 5.33 | 4.49 | 1.88 | 1.44 | 0.60 | 0.27 | 0.56 | 0.38 | 0.18 | 0.15 | 0.26 | 0.09 | 0.09 | 0.01 | 0.00 | 0.00 |
| 2026-10-09 | 41.43 | 34.18 | 5.71 | 4.77 | 4.07 | 2.09 | 1.37 | 0.89 | 0.54 | 1.40 | 0.82 | 0.34 | 0.74 | 0.68 | 0.57 | 0.31 | 0.09 | 0.00 | 0.00 |
| 2026-10-08 | 47.10 | 32.53 | 5.46 | 4.79 | 3.45 | 1.87 | 1.64 | 0.58 | 0.25 | 1.15 | 0.45 | 0.12 | 0.10 | 0.29 | 0.13 | 0.07 | 0.03 | 0.00 | 0.00 |
| 2026-10-07 | 42.51 | 34.72 | 6.10 | 5.09 | 3.06 | 1.50 | 1.33 | 1.40 | 0.39 | 1.21 | 0.75 | 0.55 | 0.37 | 0.52 | 0.24 | 0.17 | 0.01 | 0.08 | 0.00 |
| 2026-10-06 | 44.19 | 38.97 | 3.51 | 4.41 | 2.46 | 1.46 | 1.02 | 0.82 | 0.38 | 1.08 | 0.55 | 0.15 | 0.19 | 0.46 | 0.06 | 0.09 | 0.21 | 0.00 | 0.00 |
| 2026-10-05 | 45.47 | 32.98 | 6.54 | 4.99 | 3.43 | 1.66 | 1.50 | 0.80 | 0.30 | 0.87 | 0.44 | 0.27 | 0.17 | 0.20 | 0.20 | 0.15 | 0.04 | 0.00 | 0.00 |
| 2026-10-02 | 46.71 | 34.13 | 5.58 | 4.07 | 3.48 | 2.06 | 1.07 | 0.37 | 0.34 | 1.07 | 0.17 | 0.23 | 0.17 | 0.22 | 0.11 | 0.19 | 0.04 | 0.00 | 0.00 |
| 2026-10-01 | 43.45 | 31.74 | 6.66 | 5.32 | 4.85 | 2.63 | 1.65 | 0.80 | 0.37 | 0.88 | 0.34 | 0.30 | 0.28 | 0.38 | 0.19 | 0.17 | 0.00 | 0.00 | 0.00 |
| 2026-09-30 | 35.38 | 42.62 | 5.81 | 5.71 | 3.64 | 1.14 | 1.48 | 1.14 | 0.56 | 0.88 | 0.30 | 0.40 | 0.12 | 0.29 | 0.13 | 0.29 | 0.13 | 0.00 | 0.00 |
| 2026-09-29 | 39.04 | 37.00 | 6.26 | 4.46 | 5.29 | 1.55 | 1.19 | 1.01 | 0.60 | 1.18 | 0.33 | 0.65 | 0.21 | 0.33 | 0.73 | 0.11 | 0.06 | 0.00 | 0.00 |
| 2026-09-28 | 46.55 | 30.09 | 5.10 | 4.92 | 4.50 | 1.82 | 1.83 | 1.19 | 0.43 | 1.18 | 0.76 | 0.57 | 0.32 | 0.28 | 0.22 | 0.18 | 0.07 | 0.00 | 0.00 |
| 2026-09-25 | 48.58 | 35.44 | 4.41 | 2.85 | 4.99 | 1.03 | 0.92 | 0.35 | 0.16 | 0.61 | 0.19 | 0.17 | 0.12 | 0.12 | 0.05 | 0.02 | 0.02 | 0.00 | 0.00 |
| 2026-09-24 | 37.45 | 33.12 | 4.00 | 5.47 | 3.79 | 1.40 | 1.84 | 0.52 | 0.33 | 0.92 | 0.23 | 0.17 | 0.18 | 0.30 | 0.10 | 10.13 | 0.00 | 0.04 | 0.00 |