Statistics of Price Movements of Apple Inc (AAPL)

The price movements of Apple Inc (ticker AAPL) are summarized in five ways:

• Table 1. Statistics of daily price changes using the closing prices
• Table 2. Statistics of daily price changes using the closing and opening prices
• Table 3 – 7. Statistics of daily price changes when AAPL opened with an increase of 1%, 2%, 3%, 4%, or more than 5%
• Table 8 – 10. Statistics of stock price changes in the 20 days after AAPL had a big price move
• Table 11. Statistics of daily price changes in the 20 days after AAPL moved 5% with twice the 30-day average volume

The statistics are calculated using AAPL's price data across 1,547 trading days from 2015 to 2020.

Table 1. Statistics of AAPL one-day price changes

In this table, the one-day price change is calculated using the closing price and the previous day's closing price.

In the past 1,547 trading days, 51.5% of the time (796 days), AAPL closed above the previous day's closing price. 45.0% of the time (695 days), it closed below the previous day's closing price. 3.6% of the time (55 days), it did not change.

Also see: VIX price movement study.

AAPL Price Change (%)	Number of Days	% of Total Sessions
11 – 12%	1	0.06%
10 – 11%	2	0.13%
9 – 10%	1	0.06%
8 – 9%	1	0.06%
7 – 8%	2	0.13%
6 – 7%	5	0.32%
5 – 6%	7	0.45%
4 – 5%	12	0.78%
3 – 4%	38	2.46%
2 – 3%	77	4.98%
1 – 2%	226	14.62%
0 – 1%	424	27.43%
0%	55	3.56%
0 – -1%	420	27.17%
-1 – -2%	134	8.67%
-2 – -3%	82	5.30%
-3 – -4%	25	1.62%
-4 – -5%	16	1.03%
-5 – -6%	6	0.39%
-6 – -7%	7	0.45%
-7 – -8%	1	0.06%
-8 – -9%	1	0.06%
-9 – -10%	2	0.13%
-12 – -13%	1	0.06%

Table 2. Statistics of AAPL: Closing vs. Open

In this table, instead of using the closing price of the previous day, the opening price is used to calculate the one-day price change of AAPL.

51.7% of the time (800 days), AAPL closed above the opening price. 44.6% of the time (690 days), it closed below the opening price. 3.7% of the time (57 days), it closed where it started.

Closing - Open (%)	Number of Days	% of Total Sessions
8 – 9%	1	0.06%
6 – 7%	1	0.06%
5 – 6%	4	0.26%
4 – 5%	6	0.39%
3 – 4%	11	0.71%
2 – 3%	70	4.52%
1 – 2%	200	12.93%
0 – 1%	507	32.77%
0%	57	3.68%
0 – -1%	446	28.83%
-1 – -2%	148	9.57%
-2 – -3%	62	4.01%
-3 – -4%	22	1.42%
-4 – -5%	8	0.52%
-5 – -6%	2	0.13%
-6 – -7%	1	0.06%
-7 – -8%	1	0.06%

Table 3. One-day performance when AAPL opened 5% higher than previous close

In the past 1,547 trading days, AAPL opened more than 5% higher than the previous day's closing price 9 times. Of these days, 44.4% (4 days) had closing prices above the opening price, and 55.6% (5 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
4 – 5%	2	22.22%
3 – 4%	1	11.11%
1 – 2%	1	11.11%
-1 – -2%	3	33.33%
-3 – -4%	1	11.11%
-6 – -7%	1	11.11%

Table 4. Closing vs. open when AAPL opened 4–5% higher

On 4 days, AAPL opened 4–5% higher than the previous day's closing price. Of these days, 100.0% (4 days) had closing prices above the opening price, and 0.0% (0 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
2 – 3%	1	25.00%
1 – 2%	2	50.00%
0 – 1%	1	25.00%

Table 5. Closing vs. open when AAPL open 3 – 4% higher

9 times AAPL opened 3 – 4% higher than the previous day's closing price. Among these days, 66.7% (6 days) closed above the opening price, 33.3% (3 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
5 – 6%	1	11.11%
4 – 5%	1	11.11%
2 – 3%	1	11.11%
0 – 1%	3	33.33%
0 – -1%	1	11.11%
-1 – -2%	1	11.11%
-2 – -3%	1	11.11%

Table 6. Closing vs. open when AAPL open 2 – 3% higher

32 times AAPL opened 2 – 3% higher than the previous day's closing price. Among these days, 56.3% (18 days) closed above the opening price, 43.8% (14 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
3 – 4%	1	3.12%
2 – 3%	5	15.62%
1 – 2%	6	18.75%
0 – 1%	6	18.75%
0 – -1%	7	21.88%
-1 – -2%	3	9.38%
-2 – -3%	1	3.12%
-3 – -4%	1	3.12%
-4 – -5%	1	3.12%
-5 – -6%	1	3.12%

Table 7. Closing vs. open when AAPL open 1 – 2% higher

110 times AAPL opened 1 – 2% higher than the previous day's closing price. Among these days, 64.5% (71 days) closed above the opening price, 34.5% (38 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
5 – 6%	1	0.91%
2 – 3%	10	9.09%
1 – 2%	24	21.82%
0 – 1%	36	32.73%
0%	1	0.91%
0 – -1%	17	15.45%
-1 – -2%	13	11.82%
-2 – -3%	4	3.64%
-3 – -4%	3	2.73%
-4 – -5%	1	0.91%

Table 8. Periods when AAPL moved 15% or more

In this table, we track the price movements in the 20 days after AAPL had a one-day price change of at least 15%.

Date	Price Change	Price Change after 15% Move
Days after:		1	4	7	10	13	16	19

Table 9. Periods when AAPL moved 10% or more

In this table, we track the price movements in the 20 days after AAPL had a one-day price change of at least 10%.

Date	Price Change	Price Change after 10% Move
Days after:		1	4	7	10	13	16	19
20200313	11.9%	-12.9	-11.9	-11.2	-10.9	-13.3	-5.6	-3.6
20200731	10.4%	2.5	7.2	2.9	8.1	8.9	18.4	17.6
20200324	10%	-.6	3.2	-.8	5.1	8.6	15.2	12.2
20200316	-12.8%	4.4	-5.4	1.4	5.2	1.1	7.1	10.6

Table 9a. AAPL average price changes following a 10% up day

Of the 1,547 trading days from 2015 to 2020, there were 3 days in which AAPL was up more than 10%. This table shows the average price changes over the 3 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 10%	-3.6	-.5	-3.0	.8	1.4	9.4	8.7

Table 9b. AAPL average price changes following a 10% down day

Of the 1,547 trading days from 2015 to 2020, there were 1 days in which AAPL was down more than -10%. This table shows the average price changes over the 1 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -10%	4.4	-5.4	1.4	5.2	1.1	7.1	10.6

Table 10. Periods when AAPL moved 5% or more

In this table, we track the price movements in the 20 days after AAPL had a one-day price change of at least 5%.

Date	Price Change	Price Change after 5% Move
Days after:		1	4	7	10	13	16	19
20200313	11.9%	-12.9	-11.9	-11.2	-10.9	-13.3	-5.6	-3.6
20200731	10.4%	2.5	7.2	2.9	8.1	8.9	18.4	17.6
20200324	10%	-.6	3.2	-.8	5.1	8.6	15.2	12.2
20200302	9.3%	-3.2	-3.3	-7.8	-18.9	-18.1	-17.4	-17.1
20200406	8.7%	-1.2	2.1	8.4	5.5	4.8	6.1	10.1
20200310	7.2%	-3.5	-15.1	-14.2	-13.5	-13.2	-15.6	-8.0
20181226	7%	-.6	.4	-5.7	-2.5	-4.6	-.8	-2.5
20201109	6.9%	-.3	2.5	1.5	-2.1	-.2	5.5	5.1
20190130	6.8%	.7	5.4	3.1	3.0	3.1	3.5	5.5
20160727	6.4%	1.4	1.5	4.4	4.9	6.3	6.0	5.7
20201012	6.3%	-2.7	-4.3	-6.1	-7.5	-7.3	-6.5	-4.2
20170201	6%	-.2	2.2	2.6	5.3	5.4	6.0	6.4
20180801	5.8%	2.9	2.8	3.0	4.3	6.9	6.9	9.0
20150826	5.7%	2.9	-1.8	-.4	.4	5.1	3.9	3.4
20150128	5.6%	3.1	2.9	3.1	8.3	10.2	11.4	14.6
20160122	5.3%	-2.0	-7.2	-6.8	-7.3	-7.0	-7.3	-5.1
20200326	5.2%	-4.1	-6.8	1.6	3.7	11.1	9.4	6.8
20200821	5.1%	1.2	.5	7.9	-2.7	-8.7	-7.1	-14.1
20200414	5%	-.9	-3.5	-4.2	-3.0	.7	4.7	9.7
20181112	-5%	-1.0	-.3	-9.0	-10.1	-7.5	-9.0	-13.2
20150811	-5.2%	1.5	3.2	-.7	-8.6	-.2	-1.0	-3.7
20190805	-5.2%	1.9	4.0	4.9	8.8	9.9	5.6	8.0
20200401	-5.2%	1.7	7.7	11.2	18.1	15.0	14.2	15.6
20201030	-5.6%	-.1	9.8	10.5	9.0	5.8	7.1	13.1
20190513	-5.8%	1.6	1.8	-1.6	-3.6	-4.0	-3.3	2.4
20150821	-6.1%	-2.5	6.8	1.9	3.3	4.2	9.0	7.7
20160427	-6.2%	-3.1	-2.7	-5.2	-5.4	-4.0	-3.7	.1
20200320	-6.3%	-2.1	12.7	10.9	5.3	16.1	19.2	25.1
20160127	-6.5%	.7	1.1	.6	.9	.6	3.0	1.4
20200227	-6.5%	-.1	10.7	-2.7	-9.2	-7.6	-16.2	-10.2
20181102	-6.6%	-2.8	.5	-7.4	-6.7	-14.8	-15.8	-13.5
20200908	-6.7%	4.0	2.2	-2.2	-.9	-.5	2.7	3.3
20200309	-7.9%	7.2	4.4	-7.3	-15.7	-2.9	-4.5	-9.3
20200903	-8%	.1	-6.1	-4.4	-11.6	-11.4	-4.9	-3.4
20200312	-9.8%	12.0	-.6	-9.6	4.1	2.4	-2.7	7.2
20190103	-9.9%	4.3	7.8	5.5	9.6	7.8	11.0	16.2
20200316	-12.8%	4.4	-5.4	1.4	5.2	1.1	7.1	10.6

Table 10a. AAPL average price changes following a 5% up day

Of the 1,547 trading days from 2015 to 2020, there were 19 days in which AAPL was up more than 5%. This table shows the average price changes over the 19 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 5%	-.9	-1.2	-1.0	-1.0	-.1	1.9	2.7

Table 10b. AAPL average price changes following a 5% down day

Of the 1,547 trading days from 2015 to 2020, there were 18 days in which AAPL was down more than -5%. This table shows the average price changes over the 18 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -5%	1.5	3.2	-.2	-.4	.6	1.0	3.2

28 stocks with statistics: AAPL, AMD, AMZN, APPN, AZN, BA, BAC, BIIB, CRM, CSCO, CX, DIS, FB, GE, GM, GOOG, IBM, INTC, JPM, JPM, MSFT, MU, NFLX, O, QQQ, SPY, T, TSLA,

Also see: VIX price movement study.