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 |
|---|---|---|---|---|---|
| 05/15/2026 | CALL | $77.50 | 11,616 | +5,024 | +76.21% |
| 01/15/2027 | CALL | $90.00 | 4,757 | +924 | +24.11% |
| 05/15/2026 | CALL | $80.00 | 9,957 | +710 | +7.68% |
| 04/17/2026 | CALL | $77.50 | 4,608 | +382 | +9.04% |
| 06/18/2026 | CALL | $75.00 | 5,229 | +312 | +6.35% |
| 04/02/2026 | PUT | $70.00 | 2,065 | +262 | +14.53% |
| 04/17/2026 | PUT | $70.00 | 3,215 | -79 | -2.40% |
| 04/17/2026 | CALL | $80.00 | 13,786 | -96 | -0.69% |
| 04/17/2026 | CALL | $85.00 | 2,427 | -103 | -4.07% |
| 01/15/2027 | PUT | $72.50 | 432 | -103 | -19.25% |
| 04/02/2026 | PUT | $78.00 | 3 | -149 | -98.03% |
| 04/02/2026 | CALL | $74.00 | 2,212 | -300 | -11.94% |
Contracts with largest changes in open interest from the previous trading day to the current/most recent.
| Name | Pct Held | Shares | Total |
|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 3.12% | 39.94M | 2.81B |
| Vanguard 500 Index Fund | 2.37% | 30.38M | 2.14B |
| Fidelity 500 Index Fund | 1.13% | 14.4M | 1.02B |
| SPDR S&P 500 ETF Trust | 1.09% | 13.9M | 979.72M |
| iShares Core S&P 500 ETF | 0.92% | 11.73M | 826.43M |
| American Balanced Fund | 0.91% | 11.61M | 818.48M |
| Vanguard Index-Value Index Fund | 0.89% | 11.35M | 800.14M |
| Select Sector SPDR Fund-Health Care | 0.83% | 10.67M | 752.1M |
| Washington Mutual Investors Fund | 0.77% | 9.9M | 697.65M |
| Vanguard Institutional Index Fund-Institutional Index Fund | 0.72% | 9.21M | 648.87M |
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