Costco (COST) SEC filings
COST SEC filings moved a median of -0.15% by the close. COST SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the COST overview →
63 measured COST SEC filing events.
Where these COST SEC filings landedvs 63 measured COST SEC filing reactions
| Middle 50% of COST SEC filing reactions | -1.32% to +0.40% |
|---|---|
| Median reaction (to close) | -0.15% |
| Measured reactions | 63 |
Point-in-time · zero look-ahead
Half of the 63 COST SEC filing events with a measured close landed between -1.32% and +0.40%; 43% closed up.
Keep exploring
More COST: earnings → · analyst actions → · COST overview →
Other Consumer Staples names and their SEC filings
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| Coca-Cola (KO) | 2,000+ | -0.02% | 47% |
| Walmart (WMT) | 2,000+ | +0.01% | 52% |
Same sector, same measurement: percent move vs. the price at the news timestamp, read at 30 minutes. Sample sizes differ, so the medians are comparable but the confidence behind them is not. These are each name’s all-news baseline, not its SEC filings — that is what the link opens.