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MDY — State Street SPDR S&P MIDCAP 400 ETF Trust

NYSE Arca

State Street SPDR S&P MIDCAP 400 ETF Trust

CompareBack to Screener
$672.27
+2.61(+0.39%)
O
669.00
H
675.98
L
664.84
V
941.04K
⏱️ End-of-day dataAs of Oct 5, 2026
OverviewStatisticsFinancialsHistorical DataOptionsDividend HistoryNewsChart
Underlying Price$672.27
Implied Volatility (IV)0.2%
Put / Call Ratio0.01
Total Options Volume203
Total Open Interest2.5K
Selected Expiration2026-10-16

MDY

Options Calculator
Expiration
CALLSSTRIKEPUTS
CalculatorLastChg% ChgBidAskVolOIIVStrikeLastChg% ChgBidAskVolOIIVCalculator
---$76.00$80.60--0.2%$595.00$0.40+0.00-$0.00$4.90-220.3%
---$71.00$75.60--0.2%$600.00$0.75+0.00-$0.00$2.25-60.3%
---$66.00$70.60--0.2%$605.00$1.25+0.00-$0.00$4.90-2300.3%
---$61.00$65.60--0.2%$610.00$1.50+0.00-$0.00$4.90-10.3%
---$56.00$60.60--0.2%$615.00$1.15+0.00-$0.00$4.90-10.3%
---$51.00$55.90--0.2%$620.00---$0.00$4.90--0.3%
---$46.00$50.90--0.2%$625.00---$0.00$4.90--0.2%
---$41.00$45.90--0.2%$630.00$0.90+0.00-$0.10$1.60-7420.3%
---$36.00$40.90--0.2%$635.00---$0.00$4.90--0.3%
---$31.50$36.10--0.2%$640.00$3.00+0.00-$0.00$4.90-50.2%
---$26.50$31.40--0.2%$645.00$4.30+0.00-$0.00$4.90-60.2%
---$22.00$26.60--0.2%$650.00$2.70+0.00-$0.55$4.40-70.2%
$24.80+0.00-$17.50$22.30-120.2%$655.00$2.70+0.00-$1.10$4.60-530.2%
$15.10+0.00-$13.00$17.80-80.2%$660.00$3.25-0.55-$2.00$4.8023520.2%
---$10.80$14.00--0.2%$665.00$7.50+0.00-$2.70$5.50-740.2%
$10.16+1.56-$7.50$10.502002100.2%$670.00ATM$9.31+0.00-$4.50$7.10-1200.1%
$3.00+0.00-$4.40$7.70-740.2%$675.00$13.29+0.00-$5.30$10.00-40.1%
$5.50+4.10-$1.60$5.501210.1%$680.00$13.83+0.00-$8.40$13.00-2700.1%
$2.30+0.00-$1.40$4.30-70.2%$685.00---$11.90$16.50--0.1%
$1.81+0.00-$0.00$4.90-600.2%$690.00---$15.60$20.50--0.0%
$1.70+0.00-$0.00$4.90-850.2%$695.00---$20.60$25.50--0.1%
$0.75+0.00-$0.00$4.90-90.2%$700.00---$25.10$30.00--0.1%
$0.49+0.00-$0.00$4.90-90.2%$705.00---$30.10$35.00--0.1%
$0.40+0.00-$0.00$4.90-170.2%$710.00---$35.10$40.00--0.1%
$1.21+0.00-$0.00$4.90-100.2%$715.00---$40.10$45.00--0.1%
$2.80+0.00-$0.00$4.90--0.2%$720.00---$45.30$50.00--0.1%
$0.30+0.00-$0.00$4.90-580.2%$725.00---$50.10$55.00--0.1%
$0.20+0.00-$0.00$4.90-70.2%$730.00---$55.10$60.00--0.1%
$0.64+0.00-$0.00$4.90-20.2%$735.00---$60.30$65.00--0.1%
---$0.00$4.90--0.2%$740.00---$65.10$70.00--0.1%
---$0.00$4.90--0.2%$745.00---$70.10$75.00--0.1%
---$0.00$4.90--0.2%$750.00---$75.10$80.00--0.1%

Open Interest & Max Pain

2026-10-16
Max Pain$675.00+0.4% vs price
Call Open Interest625
Put Open Interest1.9K
Put / Call (Open Interest)3.03
CallsPutsPrice $672.27Max painTop of chart = 742 contracts
595
615
635
655
675Max pain $675
695
715
735
755
775

Max pain is the strike where the open options would be worth the least at expiration, i.e. where option buyers as a group would lose the most. The chart shows strikes within 20% of the price. Open interest is from the last end-of-day update.