Macro Rumble

How SPY (S&P 500 ETF) reacts to macro news

SPY moves 2.6× a normal 2–3pm ET hour after FOMC; 53% of releases give it a top-10% 2–3pm ET hour.

n=76 releases since 2017 · median move vs matched normal 2–3pm ET hours

SPY (S&P 500 ETF) has data for 1,183 scheduled macro releases across 8 event types. The biggest typical +1h move (median size, either direction) came after FOMC rate decision (±0.31%, 2.6× a normal 2–3pm ET hour), the smallest after US retail sales (±0.16%, 1.3× a normal opening hour).

Next release that moves SPY: FOMC rate decision,

US events only; IEX venue prices, regular hours, so 08:30 ET releases are measured from the 09:30 open.

How much bigger the SPY move is after each event than in a normal 2–3pm ET hour (median vs matched quiet 2–3pm ET hours; 1× = no different). Faded bars are not clearly above noise. Tap a bar for every release.

Every event, ranked by how much it moves SPY

Ranked by the move multiple: the median move after a release vs a matched normal 2–3pm ET hour. "Top-10%" is how often a release gives a move bigger than 90% of normal ones (10% would be no different from normal). Impact is the event's site-wide rating (see methodology). Typical move sizes by window follow (median absolute move, either direction). Click a column to sort; click an event for every release.

Event× normalTop-10%Impact+5m+1h+4h% up +1hn
FOMC rate decision2.6×53%High0.16%0.31%–53%76
US Nonfarm Payrolls (NFP)1.7×25%High0.09%0.24%0.44%60%113
US Producer Price Index (PPI)1.5×11%Medium0.08%0.18%0.34%55%116
US GDP (advance estimate)1.5×26%Medium0.09%0.25%0.43%49%39
US PCE inflation (Personal Income and Outlays)1.5×26%Medium0.08%0.24%0.39%52%112
US initial jobless claims1.5×18%Low0.08%0.22%0.34%52%500
US Consumer Price Index (CPI)1.5×24%High0.09%0.20%0.32%58%114
US retail sales1.3×12%Low0.08%0.16%0.29%51%113

Past releases, not a forecast. Typical sizes hide big differences between individual releases; open an event to see them all.

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Recaps where SPY moved most

Event recaps ranked by the size of SPY's move over the 4 hours after the release (the first hour is often pre-market). All event recaps →

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