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 |
|---|---|---|---|---|---|
| 09/18/2026 | CALL | $250.00 | 1,397 | +976 | +231.83% |
| 04/17/2026 | CALL | $240.00 | 3,364 | +709 | +26.70% |
| 04/17/2026 | PUT | $170.00 | 630 | +600 | +2,000.00% |
| 04/17/2026 | PUT | $220.00 | 1,073 | +393 | +57.79% |
| 06/18/2026 | PUT | $200.00 | 2,573 | +289 | +12.65% |
| 04/02/2026 | CALL | $220.00 | 287 | +238 | +485.71% |
| 03/20/2026 | PUT | $240.00 | 21 | -63 | -75.00% |
| 04/17/2026 | CALL | $250.00 | 1,783 | -66 | -3.57% |
| 03/20/2026 | PUT | $220.00 | 3,500 | -114 | -3.15% |
| 03/20/2026 | PUT | $210.00 | 3,611 | -116 | -3.11% |
| 03/20/2026 | CALL | $227.50 | 486 | -200 | -29.15% |
| 03/20/2026 | CALL | $240.00 | 9,635 | -205 | -2.08% |
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 | 3.05% | 53.76M | 7.26B |
| Vanguard 500 Index Fund | 2.32% | 40.88M | 5.52B |
| Fidelity 500 Index Fund | 1.10% | 19.39M | 2.62B |
| SPDR S&P 500 ETF Trust | 1.09% | 19.15M | 2.58B |
| American Mutual Fund Inc | 1.00% | 17.6M | 2.38B |
| iShares Core S&P 500 ETF | 0.89% | 15.78M | 2.13B |
| Vanguard Index-Value Index Fund | 0.87% | 15.28M | 2.06B |
| Capital Income Builder, Inc. | 0.84% | 14.87M | 2.01B |
| Select Sector SPDR Fund-Health Care | 0.81% | 14.36M | 1.94B |
| Washington Mutual Investors Fund | 0.75% | 13.22M | 1.78B |
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