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 | $1,000.00 | 4,049 | +1,787 | +79.00% |
| 04/10/2026 | CALL | $1,050.00 | 2,007 | +1,780 | +784.14% |
| 04/02/2026 | CALL | $1,100.00 | 1,198 | +1,085 | +960.18% |
| 04/17/2026 | CALL | $1,100.00 | 1,939 | +659 | +51.48% |
| 04/10/2026 | CALL | $1,000.00 | 721 | +538 | +293.99% |
| 04/02/2026 | CALL | $970.00 | 770 | +509 | +195.02% |
| 04/02/2026 | CALL | $935.00 | 133 | -103 | -43.64% |
| 06/18/2026 | PUT | $800.00 | 636 | -104 | -14.05% |
| 04/02/2026 | CALL | $940.00 | 416 | -138 | -24.91% |
| 04/02/2026 | CALL | $1,340.00 | 359 | -139 | -27.91% |
| 04/02/2026 | CALL | $925.00 | 495 | -170 | -25.56% |
| 04/02/2026 | CALL | $930.00 | 179 | -180 | -50.14% |
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 | 2.74% | 26M | 11.45B |
| Vanguard 500 Index Fund | 1.92% | 18.23M | 8.03B |
| Vanguard/Primecap Fund | 1.56% | 14.85M | 6.54B |
| Fidelity 500 Index Fund | 0.91% | 8.65M | 3.81B |
| SPDR S&P 500 ETF Trust | 0.90% | 8.54M | 3.76B |
| Vanguard Specialized-Health Care Fund | 0.80% | 7.64M | 3.37B |
| iShares Core S&P 500 ETF | 0.74% | 7.04M | 3.1B |
| Washington Mutual Investors Fund | 0.73% | 6.95M | 3.06B |
| Growth Fund Of America Inc | 0.71% | 6.7M | 2.95B |
| Select Sector SPDR Fund-Health Care | 0.67% | 6.41M | 2.82B |
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