On 2026-07-09, Costco (COST) closed at 912.97 USD, down 4.21% on the day. Its RSI(14) of 34.77 is in the 6th percentile of its history since 1986. Its 20-day return of -5.74% is in the 15th percentile. It trades at 27.3% of its 52-week range. Its 20/50/200-day moving averages are 955.59 / 987.05 / 956.95 USD, with price -4.46% / -7.51% / -4.60% against them. Its 52-week range is 844.06–1096.5 USD; it closed 16.74% below the high and 8.16% above the low. Its 20-day volatility is 1.532% daily, in the 50th percentile of its history since 1986. Its 14-day average true range (ATR) is 22.06 USD, 2.42% of price. It has returned -1.27% over 5 days and -6.92% over 60 days. Against the S&P 500, its weekly-return beta -0.00 / correlation -0.00 (52-week); beta -0.26 / correlation -0.16 (26-week). Its weekly-return correlation to the change in the US 10-year TIPS real yield is -0.14 (52-week); -0.02 (26-week). Next earnings are scheduled for 2026-09-24.
=== COSTCO (COST) (USD) ===
price & change (as of 2026-07-09, prior 2026-07-08)
close 912.97
change -40.16 (-4.213%)
range (as of 2026-07-09)
range 27.32
close pos 19.4% of range
moving averages (as of 2026-07-09)
20d MA 955.59 price below by -4.46%
50d MA 987.05 price below by -7.51%
200d MA 956.95 price below by -4.60%
price < all MAs
stack: 50d > 200d > 20d
volatility (as of 2026-07-09)
20d stdev 1.532% daily ≈ 24.3% annualized (×√252) (50th pct of own history, since 1986 (10057 obs))
vs easing-2024 avg 1.18× (1.532% vs 1.295% era avg)
ATR (as of 2026-07-09)
ATR(14) 22.06
ATR% 2.42% (53rd pct of own history, since 1986 (10063 obs))
range/ATR 123.9%
52-week range (as of 2026-07-09)
high 1096.50 (-16.74% from high)
low 844.06 (+8.16% from low)
momentum (as of 2026-07-09)
RSI(14) 34.77 (6th pct of own history, since 1986 (10063 obs))
returns (as of 2026-07-09)
5d return -1.27%
20d return -5.74%
60d return -6.92%
volatility by rate-era
pre-crisis 2.3285% (from 1986-07-09)
ZIRP-2009 1.2279%
tightening-2015 1.2566%
ZIRP-2019 1.3913%
tightening-2022 1.6389%
easing-2024 1.2948%
real-yield sensitivity (weekly returns vs weekly Δ in 10Y TIPS real yield, DFII10) (as of 2026-07-09)
vs real yield (Δ) -0.02 (26w)
vs real yield (Δ) -0.14 (52w)
S&P 500 market factor (weekly returns; async daily closes cap the magnitude) (as of 2026-07-09)
vs S&P 500 beta -0.26 corr -0.16 (26w)
vs S&P 500 beta -0.00 corr -0.00 (52w)
earnings horizon
next earnings 2026-09-24 (77 days)