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 |
|---|---|---|---|---|---|
| 04/02/2026 | CALL | $510.00 | 164 | +141 | +613.04% |
| 04/17/2026 | CALL | $515.00 | 59 | +59 | |
| 05/15/2026 | CALL | $550.00 | 52 | +27 | +108.00% |
| 03/19/2027 | PUT | $280.00 | 20 | +20 | |
| 04/02/2026 | CALL | $515.00 | 20 | +18 | +900.00% |
| 04/17/2026 | PUT | $425.00 | 10 | +10 | |
| 12/18/2026 | PUT | $580.00 | 54 | -2 | -3.57% |
| 03/27/2026 | PUT | $490.00 | 32 | -3 | -8.57% |
| 04/02/2026 | PUT | $500.00 | 11 | -3 | -21.43% |
| 06/18/2026 | CALL | $510.00 | 256 | -3 | -1.16% |
| 06/18/2026 | PUT | $410.00 | 50 | -6 | -10.71% |
| 03/27/2026 | CALL | $510.00 | 108 | -69 | -38.98% |
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 | 3.09% | 11.92M | 6.27B |
| Vanguard 500 Index Fund | 2.35% | 9.07M | 4.77B |
| Fidelity 500 Index Fund | 1.11% | 4.3M | 2.26B |
| SPDR S&P 500 ETF Trust | 1.10% | 4.25M | 2.23B |
| Growth Fund Of America Inc | 0.94% | 3.62M | 1.91B |
| iShares Core S&P 500 ETF | 0.91% | 3.5M | 1.84B |
| Vanguard Growth Index Fund | 0.86% | 3.31M | 1.74B |
| Select Sector SPDR Fund-Health Care | 0.83% | 3.19M | 1.68B |
| Vanguard Institutional Index Fund-Institutional Index Fund | 0.71% | 2.75M | 1.45B |
| Vanguard/Primecap Fund | 0.57% | 2.22M | 1.17B |
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