Statistics of Price Movements of Boeing Company (BA)

The price movements of Boeing Company (ticker BA) 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 BA 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 BA had a big price move
• Table 11. Statistics of daily price changes in the 20 days after BA moved 5% with twice the 30-day average volume

The statistics are calculated using BA's price data across 1,549 trading days from 2015 to 2020.

Table 1. Statistics of BA 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 1,549 trading days, 50.3% of the time (778 days), BA closed above the previous day's closing price. 46.3% of the time (716 days), it closed below the previous day's closing price. 3.5% of the time (54 days), it did not change.

Also see: VIX price movement study.

BA Price Change (%)	Number of Days	% of Total Sessions
24 – 25%	1	0.06%
20 – 21%	1	0.06%
19 – 20%	1	0.06%
14 – 15%	2	0.13%
13 – 14%	2	0.13%
12 – 13%	3	0.19%
11 – 12%	3	0.19%
9 – 10%	2	0.13%
8 – 9%	1	0.06%
6 – 7%	6	0.39%
5 – 6%	15	0.97%
4 – 5%	14	0.90%
3 – 4%	38	2.45%
2 – 3%	76	4.91%
1 – 2%	224	14.47%
0 – 1%	389	25.13%
0%	54	3.49%
0 – -1%	372	24.03%
-1 – -2%	180	11.63%
-2 – -3%	76	4.91%
-3 – -4%	36	2.33%
-4 – -5%	19	1.23%
-5 – -6%	14	0.90%
-6 – -7%	8	0.52%
-8 – -9%	3	0.19%
-10 – -11%	1	0.06%
-12 – -13%	1	0.06%
-13 – -14%	1	0.06%
-16 – -17%	1	0.06%
-17 – -18%	1	0.06%
-18 – -19%	2	0.13%
-23 – -24%	1	0.06%

Table 2. Statistics of BA: 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 BA.

48.2% of the time (746 days), BA closed above the opening price. 48.3% of the time (748 days), it closed below the opening price. 3.6% of the time (55 days), it closed where it started.

Closing - Open (%)	Number of Days	% of Total Sessions
11 – 12%	1	0.06%
10 – 11%	1	0.06%
7 – 8%	4	0.26%
6 – 7%	3	0.19%
5 – 6%	9	0.58%
4 – 5%	13	0.84%
3 – 4%	25	1.61%
2 – 3%	55	3.55%
1 – 2%	190	12.27%
0 – 1%	445	28.73%
0%	55	3.55%
0 – -1%	461	29.76%
-1 – -2%	157	10.14%
-2 – -3%	63	4.07%
-3 – -4%	31	2.00%
-4 – -5%	16	1.03%
-5 – -6%	9	0.58%
-6 – -7%	6	0.39%
-7 – -8%	1	0.06%
-8 – -9%	1	0.06%
-12 – -13%	1	0.06%
-13 – -14%	1	0.06%
-15 – -16%	1	0.06%

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

In the past 1,549 trading days, BA opened more than 5% higher than the previous day's closing price 22 times. Of these days, 63.6% (14 days) had closing prices above the opening price, and 36.4% (8 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
11 – 12%	1	4.55%
7 – 8%	2	9.09%
4 – 5%	2	9.09%
3 – 4%	3	13.64%
2 – 3%	1	4.55%
1 – 2%	1	4.55%
0 – 1%	4	18.18%
0 – -1%	1	4.55%
-1 – -2%	3	13.64%
-2 – -3%	1	4.55%
-4 – -5%	1	4.55%
-8 – -9%	1	4.55%
-12 – -13%	1	4.55%

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

On 6 days, BA opened 4–5% higher than the previous day's closing price. Of these days, 16.7% (1 days) had closing prices above the opening price, and 83.3% (5 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
1 – 2%	1	16.67%
0 – -1%	1	16.67%
-1 – -2%	1	16.67%
-2 – -3%	2	33.33%
-4 – -5%	1	16.67%

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

9 times BA opened 3 – 4% higher than the previous day's closing price. Among these days, 55.6% (5 days) closed above the opening price, 44.4% (4 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
6 – 7%	1	11.11%
4 – 5%	1	11.11%
1 – 2%	1	11.11%
0 – 1%	2	22.22%
0 – -1%	2	22.22%
-1 – -2%	1	11.11%
-3 – -4%	1	11.11%

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

37 times BA opened 2 – 3% higher than the previous day's closing price. Among these days, 45.9% (17 days) closed above the opening price, 54.1% (20 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
10 – 11%	1	2.70%
3 – 4%	1	2.70%
2 – 3%	3	8.11%
1 – 2%	7	18.92%
0 – 1%	5	13.51%
0 – -1%	4	10.81%
-1 – -2%	5	13.51%
-2 – -3%	3	8.11%
-3 – -4%	2	5.41%
-4 – -5%	2	5.41%
-5 – -6%	2	5.41%
-6 – -7%	2	5.41%

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

98 times BA opened 1 – 2% higher than the previous day's closing price. Among these days, 55.1% (54 days) closed above the opening price, 44.9% (44 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
5 – 6%	1	1.02%
4 – 5%	2	2.04%
3 – 4%	5	5.10%
2 – 3%	6	6.12%
1 – 2%	13	13.27%
0 – 1%	27	27.55%
0 – -1%	23	23.47%
-1 – -2%	8	8.16%
-2 – -3%	5	5.10%
-3 – -4%	3	3.06%
-4 – -5%	2	2.04%
-5 – -6%	1	1.02%
-6 – -7%	1	1.02%
-7 – -8%	1	1.02%

Table 8. Periods when BA moved 15% or more

In this table, we track the price movements in the 20 days after BA 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
20200325	24.3%	13.7	-6.0	-21.6	-7.5	-7.2	-15.4	-14.1
20200324	20.8%	24.3	19.3	-3.5	10.9	18.9	14.3	12.5
20200406	19.4%	-4.8	2.1	-1.9	-3.5	-7.4	-11.7	-10.4
20200611	-16.4%	11.5	13.3	10.9	2.9	7.8	10.5	1.9
20200318	-17.9%	-4.1	25.3	59.0	28.3	46.0	49.0	38.4
20200311	-18.1%	-18.1	-34.3	-49.8	-16.1	-19.5	-34.8	-25.1
20200312	-18.1%	9.9	-34.2	-31.8	16.6	-3.7	-19.6	-5.1
20200316	-23.8%	-4.2	-26.7	22.5	17.5	-4.9	9.2	17.2

Table 8a. BA average price changes following a 15% up day

Of the 1,549 trading days from 2015 to 2020, there were 3 days in which BA was up more than 15%. 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 ≥ 15%	11.1	5.1	-9.0	-.0	1.4	-4.3	-4.0

Table 8b. BA average price changes following a 15% down day

Of the 1,549 trading days from 2015 to 2020, there were 5 days in which BA was down more than -15%. This table shows the average price changes over the 5 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -15%	-1.0	-11.3	2.2	9.8	5.2	2.9	5.4

Table 9. Periods when BA moved 10% or more

In this table, we track the price movements in the 20 days after BA 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
20200325	24.3%	13.7	-6.0	-21.6	-7.5	-7.2	-15.4	-14.1
20200324	20.8%	24.3	19.3	-3.5	10.9	18.9	14.3	12.5
20200406	19.4%	-4.8	2.1	-1.9	-3.5	-7.4	-11.7	-10.4
20200417	14.7%	-6.7	-10.6	-14.7	-13.4	-20.9	-16.3	-20.4
20200629	14.3%	-5.8	-3.4	-10.9	-7.5	-9.7	-7.6	-12.5
20200326	13.7%	-10.3	-27.6	-17.6	-15.9	-21.9	-14.7	-25.2
20201109	13.7%	5.2	4.3	13.3	17.9	21.3	18.8	29.7
20200603	12.9%	6.4	25.2	9.4	11.2	8.9	1.0	5.9
20200518	12.8%	-3.7	1.5	10.4	11.8	36.1	60.0	39.9
20200608	12.2%	-6.0	-17.8	-16.5	-18.2	-24.1	-20.5	-18.5
20200605	11.4%	12.2	-17.2	-3.7	-9.0	-14.0	-5.3	-12.0
20200612	11.4%	.8	1.5	-.9	-10.3	-4.8	-5.6	-5.8
20200323	11.1%	20.9	53.4	23.7	40.9	43.8	33.5	45.8
20200327	-10.2%	-6.0	-23.9	-12.6	-6.3	-9.9	-11.4	-15.0
20200401	-12.3%	-5.7	8.3	16.2	11.7	9.9	5.4	.5
20200309	-13.4%	1.7	-25.1	-55.1	-53.5	-20.5	-34.3	-45.2
20200611	-16.4%	11.5	13.3	10.9	2.9	7.8	10.5	1.9
20200318	-17.9%	-4.1	25.3	59.0	28.3	46.0	49.0	38.4
20200311	-18.1%	-18.1	-34.3	-49.8	-16.1	-19.5	-34.8	-25.1
20200312	-18.1%	9.9	-34.2	-31.8	16.6	-3.7	-19.6	-5.1
20200316	-23.8%	-4.2	-26.7	22.5	17.5	-4.9	9.2	17.2

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

Of the 1,549 trading days from 2015 to 2020, there were 13 days in which BA was up more than 10%. This table shows the average price changes over the 13 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 10%	3.6	1.9	-2.6	.6	1.5	2.3	1.1

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

Of the 1,549 trading days from 2015 to 2020, there were 8 days in which BA was down more than -10%. This table shows the average price changes over the 8 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -10%	-1.9	-12.2	-5.1	.1	.7	-3.2	-4.1

Table 10. Periods when BA moved 5% or more

In this table, we track the price movements in the 20 days after BA 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
20200325	24.3%	13.7	-6.0	-21.6	-7.5	-7.2	-15.4	-14.1
20200324	20.8%	24.3	19.3	-3.5	10.9	18.9	14.3	12.5
20200406	19.4%	-4.8	2.1	-1.9	-3.5	-7.4	-11.7	-10.4
20200417	14.7%	-6.7	-10.6	-14.7	-13.4	-20.9	-16.3	-20.4
20200629	14.3%	-5.8	-3.4	-10.9	-7.5	-9.7	-7.6	-12.5
20200326	13.7%	-10.3	-27.6	-17.6	-15.9	-21.9	-14.7	-25.2
20201109	13.7%	5.2	4.3	13.3	17.9	21.3	18.8	29.7
20200603	12.9%	6.4	25.2	9.4	11.2	8.9	1.0	5.9
20200518	12.8%	-3.7	1.5	10.4	11.8	36.1	60.0	39.9
20200608	12.2%	-6.0	-17.8	-16.5	-18.2	-24.1	-20.5	-18.5
20200605	11.4%	12.2	-17.2	-3.7	-9.0	-14.0	-5.3	-12.0
20200612	11.4%	.8	1.5	-.9	-10.3	-4.8	-5.6	-5.8
20200323	11.1%	20.9	53.4	23.7	40.9	43.8	33.5	45.8
20200313	9.9%	-23.8	-42.6	-25.0	-4.8	-23.2	-12.6	-10.8
20170726	9.8%	3.2	2.6	1.8	.4	1.6	.9	2.7
20201116	8.1%
20200925	6.8%	6.4	7.6	2.2	7.2	4.6	7.1	8.4
20181226	6.7%	1.0	2.7	4.2	9.5	11.6	14.4	14.0
20200604	6.4%	11.5	10.4	3.6	4.3	1.9	-7.8	-2.2
20200824	6.4%	-2.0	-1.4	-2.0	-9.6	-10.1	-6.1	-12.3
20200928	6.4%	-1.5	1.2	-.9	.8	-1.1	.7	.8
20190130	6.2%	-.5	5.8	4.4	5.9	7.8	7.7	10.1
20201123	5.9%
20201203	5.9%
20150129	5.8%	-1.6	-.4	-.1	.2	1.4	7.1	3.5
20200429	5.8%	1.5	-9.8	-4.0	-12.6	-2.6	.0	4.1
20201113	5.8%	8.2	9.9	16.8	15.7	19.6	27.3	25.3
20200507	5.5%	3.7	-5.6	5.3	8.0	12.5	13.4	34.6
20200805	5.5%	-1.2	3.4	2.2	-2.9	2.3	-.0	-1.3
20200810	5.5%	.4	-.7	-5.7	-.6	-2.9	-4.1	-4.7
20150128	5.4%	5.8	5.5	6.0	5.9	7.2	10.1	10.6
20190618	5.3%	-1.4	.0	-2.7	-5.3	-4.8	-5.8	-3.3
20190104	5.2%	.3	7.8	7.7	11.5	9.6	11.0	17.9
20200526	5.2%	3.3	4.6	27.3	49.8	30.9	33.0	30.3
20201110	5.2%	-3.5	7.3	9.0	15.8	14.7	18.6	26.2
20200302	5.1%	-3.0	-9.3	-34.6	-55.2	-66.2	-55.9	-44.0
20201202	5%
20200421	-5%	-1.0	-5.6	3.4	-8.0	-2.1	-10.9	-.7
20180322	-5.1%	.4	.1	.9	5.3	4.8	3.0	6.7
20160624	-5.2%	-3.0	2.6	.4	2.8	2.8	5.5	5.5
20180208	-5.3%	1.0	4.6	7.7	8.0	10.6	4.6	5.3
20190311	-5.3%	-6.1	-5.3	-6.0	-7.4	-6.4	-2.3	-2.0
20200501	-5.4%	-1.4	-3.5	-6.1	-10.0	-.0	3.1	12.3
20200402	-5.6%	1.0	19.1	19.5	8.9	10.6	4.6	12.8
20180205	-5.7%	3.7	1.2	4.9	8.0	8.2	10.9	4.8
20200630	-5.7%	-1.6	-2.4	-2.7	2.5	-4.8	-3.7	-6.8
20200227	-5.8%	-4.4	-1.6	-21.1	-46.2	-56.9	-67.0	-44.8
20200908	-5.8%	-.2	2.7	4.0	-2.7	-3.1	2.6	6.3
20200330	-5.9%	-2.1	-18.2	-3.6	-3.3	-11.8	-10.5	-15.3
20200609	-5.9%	-6.2	-11.9	-11.3	-13.3	-21.6	-16.8	-17.5
20200624	-5.9%	-1.0	3.7	6.4	-1.9	1.9	-.6	1.8
20190312	-6.1%	.5	-.8	-.7	-1.3	1.6	2.5	-.2
20200610	-6.1%	-16.4	-2.8	-8.1	-13.1	-4.4	-11.1	-11.5
20200424	-6.3%	-.2	9.3	-2.8	3.5	-5.8	5.0	7.8
20181029	-6.5%	4.3	6.6	10.9	6.4	1.8	-5.3	-6.9
20191018	-6.7%	-3.8	.2	1.4	.3	3.0	6.7	6.8
20200420	-6.7%	-5.1	-10.2	-3.2	-8.5	-10.4	-12.8	-16.4
20160211	-6.8%	.2	7.3	8.3	7.7	10.6	11.6	13.3
20201006	-6.8%	3.2	4.9	2.9	4.8	4.9	-7.1	-6.9
20200305	-8%	.8	-27.4	-50.2	-62.5	-51.0	-37.8	-49.8
20200416	-8%	14.7	.5	-4.1	5.1	-6.6	-.6	-9.5
20160127	-8.9%	1.2	.8	5.1	-.2	-6.8	.8	.3
20200327	-10.2%	-6.0	-23.9	-12.6	-6.3	-9.9	-11.4	-15.0
20200401	-12.3%	-5.7	8.3	16.2	11.7	9.9	5.4	.5
20200309	-13.4%	1.7	-25.1	-55.1	-53.5	-20.5	-34.3	-45.2
20200611	-16.4%	11.5	13.3	10.9	2.9	7.8	10.5	1.9
20200318	-17.9%	-4.1	25.3	59.0	28.3	46.0	49.0	38.4
20200311	-18.1%	-18.1	-34.3	-49.8	-16.1	-19.5	-34.8	-25.1
20200312	-18.1%	9.9	-34.2	-31.8	16.6	-3.7	-19.6	-5.1
20200316	-23.8%	-4.2	-26.7	22.5	17.5	-4.9	9.2	17.2

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

Of the 1,549 trading days from 2015 to 2020, there were 37 days in which BA was up more than 5%. This table shows the average price changes over the 37 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 5%	1.7	.8	-.1	1.8	1.7	2.9	3.7

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

Of the 1,549 trading days from 2015 to 2020, there were 33 days in which BA was down more than -5%. This table shows the average price changes over the 33 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -5%	-1.1	-3.7	-2.6	-3.5	-3.8	-4.6	-4.2

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Also see: VIX price movement study.