On 2026-07-20, Costco (COST) closed at 935.8 USD, down 0.54% on the day. Its RSI(14) of 45.63 is in the 27th percentile of its history since 1986. Its 20-day return of -1.64% is in the 32nd percentile. It trades at 36.3% of its 52-week range. It is trading below its 20-, 50- and 200-day moving averages. Its 20/50/200-day moving averages are 939.52 / 976.24 / 956.79 USD, with price -0.40% / -4.14% / -2.19% against them. Its 52-week range is 844.06–1096.5 USD; it closed 14.66% below the high and 10.87% above the low. Its 20-day volatility is 1.587% daily, in the 53rd percentile of its history since 1986. Its 14-day average true range (ATR) is 20.74 USD, 2.22% of price. It has returned +1.01% over 5 days and -6.76% over 60 days. Against the S&P 500, its weekly-return beta -0.03 / correlation -0.02 (52-week); beta -0.27 / correlation -0.17 (26-week). Its weekly-return correlation to the change in the US 10-year TIPS real yield is -0.15 (52-week); -0.03 (26-week). Next earnings are scheduled for 2026-09-24.
=== COSTCO (COST) (USD) ===
price & change (as of 2026-07-20, prior 2026-07-17)
close 935.80
change -5.07 (-0.539%)
range (as of 2026-07-20)
range 14.97
close pos 25.3% of range
moving averages (as of 2026-07-20)
20d MA 939.52 price below by -0.40%
50d MA 976.24 price below by -4.14%
200d MA 956.79 price below by -2.19%
price < all MAs
stack: 50d > 200d > 20d
volatility (as of 2026-07-20)
20d stdev 1.587% daily ≈ 25.2% annualized (×√252) (53rd pct of own history, since 1986 (10064 obs))
vs easing-2024 avg 1.23× (1.587% vs 1.295% era avg)
ATR (as of 2026-07-20)
ATR(14) 20.74
ATR% 2.22% (47th pct of own history, since 1986 (10070 obs))
range/ATR 72.2%
52-week range (as of 2026-07-20)
high 1096.50 (-14.66% from high)
low 844.06 (+10.87% from low)
momentum (as of 2026-07-20)
RSI(14) 45.63 (27th pct of own history, since 1986 (10070 obs))
returns (as of 2026-07-20)
5d return +1.01%
20d return -1.64%
60d return -6.76%
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 1.2950%
real-yield sensitivity (weekly returns vs weekly Δ in 10Y TIPS real yield, DFII10) (as of 2026-07-17)
vs real yield (Δ) -0.03 (26w)
vs real yield (Δ) -0.15 (52w)
S&P 500 market factor (weekly returns; async daily closes cap the magnitude) (as of 2026-07-20)
vs S&P 500 beta -0.27 corr -0.17 (26w)
vs S&P 500 beta -0.03 corr -0.02 (52w)
earnings horizon
next earnings 2026-09-24 (66 days)