Healthcare Sector
Market Tracker
15m Chart - Support and Resistance levels are based on the large dark pool & equity prints at the plotted levels. Displays strongest levels above and below the spot price.
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.
Represents the largest cumulative premium levels above and below the current spot price. The price in the pink bubble represents the spot price.
Total Open Interest of Calls & Puts across all strikes and expirations over the past 16 trading days.
| Expires | Type | Strike | OI | Change | Percent |
|---|---|---|---|---|---|
| 11/21/2025 | CALL | $25.00 | 125,108 | +45,345 | +56.85% |
| 11/21/2025 | CALL | $24.50 | 14,430 | +13,099 | +984.15% |
| 11/21/2025 | CALL | $25.50 | 7,041 | +4,822 | +217.31% |
| 11/07/2025 | PUT | $23.00 | 6,164 | +4,183 | +211.16% |
| 01/16/2026 | CALL | $30.00 | 214,233 | +3,699 | +1.76% |
| 10/31/2025 | CALL | $24.50 | 14,518 | +3,144 | +27.64% |
| 09/18/2026 | CALL | $30.00 | 7,955 | -594 | -6.95% |
| 10/31/2025 | CALL | $25.00 | 21,512 | -610 | -2.76% |
| 11/21/2025 | PUT | $22.00 | 52,792 | -645 | -1.21% |
| 12/19/2025 | PUT | $20.00 | 17,658 | -1,999 | -10.17% |
| 11/21/2025 | CALL | $26.00 | 75,362 | -10,469 | -12.20% |
| 10/31/2025 | PUT | $26.00 | 724 | -11,587 | -94.12% |
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 | 3.02% | 170.64M | 6.14B |
| Vanguard 500 Index Fund | 2.30% | 129.76M | 4.67B |
| Washington Mutual Investors Fund | 1.42% | 80.41M | 2.89B |
| Fidelity 500 Index Fund | 1.09% | 61.54M | 2.21B |
| SPDR S&P 500 ETF Trust | 1.08% | 60.77M | 2.19B |
| American Balanced Fund | 1.00% | 56.61M | 2.04B |
| Income Fund of America Inc | 0.93% | 52.68M | 1.9B |
| iShares Core S&P 500 ETF | 0.89% | 50.1M | 1.8B |
| Vanguard Index-Value Index Fund | 0.86% | 48.51M | 1.75B |
| Vanguard Specialized-Health Care Fund | 0.86% | 48.32M | 1.74B |
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