Healthcare Sector
Market Tracker
Represents the strikes that had the highest premium of whale flow (on the ASK side) over the past 5 trading days.
Represents the strikes that had the highest premium of whale flow (on the BID side) over the past 5 trading days.
Total Open Interest of Calls & Puts across all strikes and expirations over the past 16 trading days.
| Expires | Type | Strike | OI | Change | Percent |
|---|---|---|---|---|---|
| 06/18/2026 | CALL | $37.00 | 121 | +92 | +317.24% |
| 05/15/2026 | CALL | $40.00 | 2,005 | +84 | +4.37% |
| 05/15/2026 | CALL | $45.00 | 1,452 | +40 | +2.83% |
| 05/15/2026 | PUT | $34.00 | 577 | +29 | +5.29% |
| 08/21/2026 | CALL | $45.00 | 576 | +27 | +4.92% |
| 05/15/2026 | PUT | $33.00 | 166 | +25 | +17.73% |
| 05/15/2026 | PUT | $30.00 | 1,532 | -9 | -0.58% |
| 05/15/2026 | CALL | $24.00 | 64 | -10 | -13.51% |
| 05/15/2026 | PUT | $28.00 | 3,794 | -10 | -0.26% |
| 05/15/2026 | CALL | $38.00 | 654 | -29 | -4.25% |
| 05/15/2026 | PUT | $35.00 | 210 | -73 | -25.80% |
| 05/15/2026 | PUT | $29.00 | 3,180 | -100 | -3.05% |
Contracts with largest changes in open interest from the previous trading day to the current/most recent.
| Name | Pct Held | Shares | Total |
|---|---|---|---|
| SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF | 7.57% | 10.99M | 74.65M |
| Vanguard Total Stock Market Index Fund | 2.60% | 3.77M | 25.62M |
| Vanguard Small-Cap Index Fund | 2.27% | 3.3M | 22.4M |
| Vanguard Specialized-Health Care Fund | 2.11% | 3.07M | 20.82M |
| iShares Russell 2000 ETF | 1.98% | 2.88M | 19.55M |
| Smallcap World Fund | 1.70% | 2.45M | 16.64M |
| Fidelity Advisor Biotechnology Fund | 1.42% | 2.05M | 13.95M |
| Fidelity Select Portfolios - Biotechnology | 1.42% | 2.07M | 14.03M |
| Vanguard Small-Cap Growth Index Fund | 1.32% | 1.92M | 13.07M |
| Vanguard Extended Market Index Fund | 1.23% | 1.79M | 12.13M |
| Fidelity Select Portfolios - Health Care | 1.10% | 1.6M | 10.86M |
| Fidelity Growth Company Fund | 1.04% | 1.51M | 10.27M |
| Fidelity Advisor Health Care Fund | 0.76% | 1.1M | 7.47M |
| Fidelity Small Cap Growth Fund | 0.71% | 1.03M | 7.01M |
| iShares Russell 2000 Growth ETF | 0.71% | 1.03M | 7M |
| Fidelity Small Cap Index Fund | 0.66% | 960.14k | 6.52M |
| Fidelity Central Investment Port-U.S. Equity Central Fd | 0.60% | 870k | 5.91M |
| ACAP Strategic Fund | 0.60% | 865.46k | 5.88M |
| Federated Hermes MDT Small Cap Core Fund | 0.59% | 857.01k | 5.82M |
| Federated Hermes MDT Mid Cap Growth Fund | 0.51% | 734.84k | 4.99M |
| Fidelity Extended Market Index Fund | 0.47% | 678.95k | 4.61M |
| Fidelity Advisor Growth Opportunities Fund | 0.46% | 666.36k | 4.52M |
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