Costco (COST): RSI(14) 74.01 (97th percentile)
On 2026-10-19, Costco (COST) closed at 995.53 USD, up 0.65% on the day. At the 2026-10-19 close, Costco (COST) had an RSI(14) of 74.01, in the 97th percentile of its history since 1986. Its 20-day return of +10.80% is in the 91st percentile of its history since 1986. At the 2026-10-19 close, Costco (COST) traded at 60.0% of its 52-week range. RSI above 70 is conventionally termed overbought. The RSI(14) of Costco (COST) last entered the overbought zone 3 days ago (2026-10-16) and the oversold zone 301 days ago (2025-12-22). It is trading above its 20-, 50- and 200-day moving averages. At the 2026-10-19 close, the 20/50/200-day moving averages of Costco (COST) were 938.59 / 934.75 / 966.78 USD, with price +6.07% / +6.50% / +2.97% against them. Ranked from highest to lowest, its moving averages are the 200-day, 20-day and 50-day. At the 2026-10-19 close, the 52-week range of Costco (COST) was 844.06–1096.5 USD; it closed 9.21% below the high (6.2× its typical daily range) and 17.95% above the low (9.4× its typical daily range). The high was set 153 days ago (2026-05-19) and the low 307 days ago (2025-12-16). At the 2026-10-19 close, Costco (COST) was 9.21% below its all-time intraday high of 1096.5 USD, set 153 days ago (2026-05-19). Its 20-day volatility is 1.082% daily, in the 25th percentile of its history since 1986. Its daily realised volatility is 1.373% over 5 days, 1.082% over 20 days, 1.141% over 60 days and 1.311% over 120 days. Annualised, these are 21.8%, 17.2%, 18.1% and 20.8% respectively. Its 14-day average true range (ATR) is 16.2 USD, 1.63% of price. It has returned +3.76% (85th percentile since 1986) over 5 days, +7.80% (92nd) over 10 days, +10.80% (91st) over 20 days, +6.47% (58th) over 60 days, +0.15% (32nd) over 120 days and +7.55% (36th) over 252 days. Against the S&P 500, its weekly returns show a beta of -0.01 and a correlation of -0.01 over 52 weeks; over 26 weeks, a beta of -0.49 and a correlation of -0.27. Relative to the S&P 500, it has returned +5.25% (5-day), +8.87% (10-day), +11.75% (20-day), +2.71% (60-day) and -8.46% (252-day). Its weekly-return correlation with changes in the US 10-year TIPS real yield is -0.15 over 52 weeks and +0.07 over 26 weeks. Next earnings are scheduled for 2026-12-10.
Figures reflect the official regular-session close for 2026-10-19.
=== COSTCO (COST) (USD) ===
price & change (as of 2026-10-19, prior 2026-10-16)
close 995.53
change +6.42 (+0.649%)
vs market S&P 500 +0.41% · Nasdaq 100 +1.21% (same day)
listing Exchange: NASDAQ, Currency: USD
range (as of 2026-10-19)
range 12.42
close pos 84.7% of range
moving averages (as of 2026-10-19)
20d MA 938.59 price above by +6.07%
50d MA 934.75 price above by +6.50%
200d MA 966.78 price above by +2.97%
200d MA slope +0.68% over 20 sessions (rising)
price > all MAs
stack: 200d > 20d > 50d
20d MA last crossed above 50d MA: 2026-10-19 (0d ago)
20d MA last crossed below 200d MA: 2026-07-09 (102d ago)
50d MA last crossed below 200d MA: 2026-08-03 (77d ago)
volatility (as of 2026-10-19)
20d stdev 1.082% daily ≈ 17.2% annualised (×√252) (25th pct of own history, since 1986 (10128 obs))
5d vol 1.373% daily ≈ 21.8% annualised (×√252) (51st pct of own history, since 1986 (10143 obs))
60d vol 1.141% daily ≈ 18.1% annualised (×√252) (25th pct of own history, since 1986 (10088 obs))
120d vol 1.311% daily ≈ 20.8% annualised (×√252) (37th pct of own history, since 1986 (10028 obs))
vs easing-2024 avg 0.85× (1.082% vs 1.279% era avg)
ATR (as of 2026-10-19)
ATR(14) 16.20
ATR% 1.63% (24th pct of own history, since 1986 (10134 obs))
range/ATR 76.7%
relative volume (as of 2026-10-19)
RVOL 0.76x (today vs prior 20-day average, excl. today)
pctile 32nd pct of own history, since 1986 (10128 obs)
avg vol 63d 2,060,365 (≈3-month average daily share volume)
52-week range (as of 2026-10-19)
high 1096.50 (-9.21% from high) [2026-05-19, 153d ago]
low 844.06 (+17.95% from low) [2025-12-16, 307d ago]
drawdown -9.21% from all-time intraday high, 153d ago (2026-05-19)
max drawdown (10-year, close-basis) -31.51% (2022-04-07 608.05 -> 2022-05-20 416.43, 43d peak-to-trough); recovered 2023-12-07 (566d after trough)
momentum (as of 2026-10-19)
RSI(14) 74.01 (97th pct of own history, since 1986 (10134 obs))
last overbought 3d ago (2026-10-16)
last oversold 301d ago (2025-12-22)
MACD (as of 2026-10-19)
MACD(12,26,9) +16.95 (above signal) signal +9.15 hist +7.79
returns (as of 2026-10-19)
5d return +3.76% from 959.44 on 2026-10-12 (85th pct of own history, since 1986 (10143 obs))
10d return +7.80% from 923.52 on 2026-10-05 (92nd pct of own history, since 1986 (10138 obs))
20d return +10.80% from 898.48 on 2026-09-21 (91st pct of own history, since 1986 (10128 obs))
60d return +6.47% from 935.03 on 2026-07-24 (58th pct of own history, since 1986 (10088 obs))
120d return +0.15% from 994.00 on 2026-04-28 (32nd pct of own history, since 1986 (10028 obs))
252d return +7.55% from 925.62 on 2025-10-16 (36th pct of own history, since 1986 (9896 obs))
YTD return +15.45% from 862.34 on 2025-12-31
volatility by rate-era
pre-crisis (to 2008) 2.33% (from 1986-07-09)
ZIRP (2009–2015) 1.23%
tightening (2015–2018) 1.26%
ZIRP (2019–2021) 1.39%
tightening (2022–2023) 1.64%
easing (2024– ) 1.28%
real-yield sensitivity (weekly returns vs weekly Δ in 10Y TIPS real yield, DFII10) (as of 2026-10-16)
vs real yield (Δ) +0.07 (26w)
vs real yield (Δ) -0.15 (52w)
S&P 500 market factor (weekly returns) (as of 2026-10-19)
vs S&P 500 beta -0.49 corr -0.27 (26w)
vs S&P 500 beta -0.01 corr -0.01 (52w)
vs S&P 500 +5.25% rel (5d return)
vs S&P 500 +8.87% rel (10d return)
vs S&P 500 +11.75% rel (20d return)
vs S&P 500 +2.71% rel (60d return)
vs S&P 500 -8.46% rel (252d return)
vs Nasdaq 100 beta -0.35 corr -0.38 (26w)
vs Nasdaq 100 beta -0.14 corr -0.13 (52w)
vs Nasdaq 100 +7.47% rel (5d return)
vs Nasdaq 100 +12.80% rel (10d return)
vs Nasdaq 100 +13.92% rel (20d return)
vs Nasdaq 100 +1.48% rel (60d return)
vs Nasdaq 100 -12.18% rel (252d return)
vs XLP (Consumer Staples) beta +0.99 corr +0.70 (26w)
vs XLP (Consumer Staples) beta +0.95 corr +0.67 (52w)
vs XLP +0.44% rel (5d return)
vs XLP +0.18% rel (10d return)
vs XLP +4.34% rel (20d return)
vs XLP +2.81% rel (60d return)
vs XLP -3.29% rel (252d return)
earnings horizon
next earnings 2026-12-10 (52 days)
last reported 2026-09-24 (25 days ago)