State Street SPDR S&P MIDCAP 400 ETF Trust
MDY · ETF
$660.16−$3.84 (−0.58%)TodayMarket closed ·
Prev close $664.00
MDY options chain
Calls and puts around the current price
By Fri, Nov 20 options price a move of ±$25.75 (3.9%), between $634.41 and $685.91.
- At-the-money implied volatility
- 17.8%
- Put/call open interest
- 1.26
- Total open interest
- 1.83K
- Underlying price
- $660.16
| Calls | Puts | |||||||
|---|---|---|---|---|---|---|---|---|
| Ask | Bid | Strike | Bid | Ask | ||||
| $34.20 | $30.70 | 635 | $3.60 | $7.00 | ||||
| $30.20 | $26.80 | 640 | $4.50 | $8.00 | ||||
| $26.20 | $22.50 | 645 | $5.60 | $9.00 | ||||
| $22.70 | $19.00 | 650 | $7.00 | $10.50 | ||||
| $19.00 | $15.70 | 655 | $8.40 | $12.00 | ||||
| $16.00 | $12.40 | 660 | $9.10 | $14.00 | ||||
MDY $660.16 | ||||||||
| $13.00 | $9.30 | 665 | $12.30 | $16.00 | ||||
| $10.50 | $6.70 | 670 | $13.70 | $18.50 | ||||
| $8.50 | $4.60 | 675 | $17.70 | $21.50 | ||||
| $7.00 | $2.95 | 680 | $21.10 | $25.20 | ||||
| $5.50 | $1.85 | 685 | $24.80 | $28.90 | ||||
| $5.00 | $0.95 | 690 | $28.10 | $33.00 | ||||
Volatility smile
Implied volatility by strike for Fri, Nov 20, calls and puts averaged.
Unusual options activity
The latest large trades, newest first
| Contract | Premium | Sentiment |
|---|---|---|
| MDY 620P Dec 17 | $207.90K | neutral |
| MDY 620P Dec 17 | $208.60K | neutral |
| MDY 660P Jun 17 | $122.08K | neutral |
| MDY 650P Jun 17 | $107.68K | neutral |
| MDY 590P Dec 18 | $203.77K | neutral |
| MDY 625C Jan 15 | $164.73K | neutral |
| MDY 645C Jun 17 | $184.42K | neutral |
| MDY 600P Dec 17 | $258.00K | neutral |
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