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 |
|---|---|---|---|---|---|
| 01/16/2026 | CALL | $275.02 | 1,611 | +1,611 | |
| 01/16/2026 | PUT | $275.02 | 1,611 | +1,611 | |
| 01/22/2026 | CALL | $275.02 | 1,611 | +1,611 | |
| 01/22/2026 | PUT | $275.02 | 1,611 | +1,611 | |
| 02/13/2026 | CALL | $265.00 | 1,611 | +1,361 | +544.40% |
| 03/20/2026 | PUT | $250.00 | 499 | +486 | +3,738.46% |
| 01/16/2026 | CALL | $210.00 | 463 | -9 | -1.91% |
| 03/20/2026 | CALL | $260.00 | 753 | -13 | -1.70% |
| 02/20/2026 | CALL | $230.00 | 295 | -14 | -4.53% |
| 01/16/2026 | CALL | $240.00 | 3,061 | -22 | -0.71% |
| 01/16/2026 | CALL | $230.00 | 2,736 | -34 | -1.23% |
| 01/16/2026 | PUT | $190.00 | 1,103 | -50 | -4.34% |
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 | 2.73% | 19.92M | 4.74B |
| Vanguard 500 Index Fund | 2.08% | 15.15M | 3.61B |
| Fidelity 500 Index Fund | 0.99% | 7.18M | 1.71B |
| SPDR S&P 500 ETF Trust | 0.97% | 7.1M | 1.69B |
| iShares Core S&P 500 ETF | 0.80% | 5.85M | 1.39B |
| Select Sector SPDR Fund-Health Care | 0.73% | 5.32M | 1.27B |
| Vanguard Specialized-Dividend Growth Fund | 0.65% | 4.77M | 1.13B |
| Vanguard Institutional Index Fund-Institutional Index Fund | 0.63% | 4.59M | 1.09B |
| Vanguard Specialized-Health Care Fund | 0.61% | 4.43M | 1.06B |
| Washington Mutual Investors Fund | 0.53% | 3.83M | 912.28M |
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