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 |
|---|---|---|---|---|---|
| 01/15/2027 | CALL | $60.00 | 3,346 | +438 | +15.06% |
| 05/29/2026 | CALL | $63.00 | 332 | +330 | +16,500.00% |
| 05/29/2026 | PUT | $55.00 | 388 | +301 | +345.98% |
| 05/22/2026 | CALL | $60.00 | 722 | +180 | +33.21% |
| 05/29/2026 | CALL | $60.00 | 397 | +172 | +76.44% |
| 05/29/2026 | PUT | $56.00 | 4,162 | +167 | +4.18% |
| 01/21/2028 | CALL | $45.00 | 122 | -15 | -10.95% |
| 01/21/2028 | CALL | $32.50 | 80 | -27 | -25.23% |
| 05/22/2026 | PUT | $61.00 | 0 | -40 | -100.00% |
| 06/18/2026 | CALL | $57.50 | 876 | -49 | -5.30% |
| 01/15/2027 | CALL | $52.50 | 2,776 | -75 | -2.63% |
| 01/15/2027 | CALL | $35.00 | 2,661 | -131 | -4.69% |
Contracts with largest changes in open interest from the previous trading day to the current/most recent.
| Name | Pct Held | Shares | Total |
|---|---|---|---|
| Fundamental Investors Inc | 4.26% | 23.48M | 1.5B |
| Vanguard Total Stock Market Index Fund | 3.13% | 17.21M | 1.1B |
| Vanguard Mid-Cap Index Fund | 2.39% | 13.18M | 840.66M |
| Vanguard 500 Index Fund | 2.38% | 13.09M | 835.16M |
| Vanguard Specialized-Health Care Fund | 1.62% | 8.9M | 568.06M |
| American Balanced Fund | 1.32% | 7.24M | 462.04M |
| Capital World Growth and Income Fund | 1.28% | 7.06M | 450.4M |
| Fidelity 500 Index Fund | 1.13% | 6.21M | 396.05M |
| SPDR S&P 500 ETF Trust | 1.08% | 5.96M | 380.43M |
| iShares Core S&P 500 ETF | 0.92% | 5.05M | 322.45M |
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