Will Alnylam Pharmaceuticals be added to the S&P 500 in Q2 2026?

Prediction markets currently give a 38% probability that Will Alnylam Pharmaceuticals be added to the S&P 500 in Q2 2026?. This contract trades at 38¢ on Kalshi, closing July 1, 2026.

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38¢
Bid/Ask 33/38¢·Spread 5¢·Vol $39.86·OI $1,408.2·Closes Jul 1, 2026·71d remaining
KXSP500ADDQ-26JUL01-ALNY
7-day price242 snapshots · 12 regime
35¢33¢ current
Apr 820¢Apr 21

Resolution rules

If Alnylam Pharmaceuticals is announced to be or is officially added to S&P 500 during April 1, 2026 to June 30, 2026, then the market resolves to Yes.

Indicators

IY (Yes) 1047.5%
IY (No) 254.1%
Adj IY 1048%
CRI 2
RV 306%
VR 0.92
▶ Full indicator table (8)
IndicatorValue
IY (Yes)1047.5%
IY (No)254.1%
Adj IY1048%
CRI2
RV306%
VR0.92
IAR0.3/h
Overround-0.1%

Regime

Label
neutral
Score
0.5
Spread
5¢
Computed
4/21/2026, 8:19:25 PM
Observability mediumEvent type financial
Indicators computed 4/21/2026, 8:08:17 PM

Trade

View on kalshisf trade KXSP500ADDQ-26JUL01-ALNY yes 100

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