Statistics of Price Movements of Facebook Inc (FB)

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

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

Table 1. Statistics of FB 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, 51.4% of the time (795 days), FB closed above the previous day's closing price. 44.9% of the time (694 days), it closed below the previous day's closing price. 3.7% of the time (57 days), it did not change.

Also see: VIX price movement study.

FB Price Change (%)	Number of Days	% of Total Sessions
15 – 16%	1	0.06%
10 – 11%	2	0.13%
9 – 10%	1	0.06%
8 – 9%	4	0.26%
7 – 8%	2	0.13%
6 – 7%	5	0.32%
5 – 6%	5	0.32%
4 – 5%	17	1.10%
3 – 4%	29	1.88%
2 – 3%	89	5.76%
1 – 2%	257	16.62%
0 – 1%	383	24.77%
0%	57	3.69%
0 – -1%	389	25.16%
-1 – -2%	161	10.41%
-2 – -3%	80	5.17%
-3 – -4%	28	1.81%
-4 – -5%	18	1.16%
-5 – -6%	7	0.45%
-6 – -7%	5	0.32%
-7 – -8%	2	0.13%
-8 – -9%	1	0.06%
-9 – -10%	1	0.06%
-14 – -15%	1	0.06%
-18 – -19%	1	0.06%

Table 2. Statistics of FB: 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 FB.

49.5% of the time (765 days), FB closed above the opening price. 47.0% of the time (727 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
7 – 8%	1	0.06%
6 – 7%	3	0.19%
5 – 6%	4	0.26%
4 – 5%	7	0.45%
3 – 4%	22	1.42%
2 – 3%	88	5.69%
1 – 2%	198	12.80%
0 – 1%	442	28.57%
0%	55	3.56%
0 – -1%	440	28.44%
-1 – -2%	181	11.70%
-2 – -3%	64	4.14%
-3 – -4%	26	1.68%
-4 – -5%	8	0.52%
-5 – -6%	6	0.39%
-6 – -7%	1	0.06%
-7 – -8%	1	0.06%

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

In the past 1,547 trading days, FB opened more than 5% higher than the previous day's closing price 12 times. Of these days, 33.3% (4 days) had closing prices above the opening price, and 66.7% (8 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
4 – 5%	1	8.33%
1 – 2%	1	8.33%
0 – 1%	2	16.67%
0 – -1%	1	8.33%
-1 – -2%	2	16.67%
-2 – -3%	3	25.00%
-3 – -4%	1	8.33%
-4 – -5%	1	8.33%

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

On 7 days, FB opened 4–5% higher than the previous day's closing price. Of these days, 42.9% (3 days) had closing prices above the opening price, and 57.1% (4 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
3 – 4%	1	14.29%
2 – 3%	1	14.29%
1 – 2%	1	14.29%
0 – -1%	2	28.57%
-1 – -2%	1	14.29%
-2 – -3%	1	14.29%

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

8 times FB opened 3 – 4% higher than the previous day's closing price. Among these days, 62.5% (5 days) closed above the opening price, 37.5% (3 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
3 – 4%	1	12.50%
2 – 3%	2	25.00%
1 – 2%	2	25.00%
0 – -1%	1	12.50%
-1 – -2%	2	25.00%

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

20 times FB opened 2 – 3% higher than the previous day's closing price. Among these days, 40.0% (8 days) closed above the opening price, 60.0% (12 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
2 – 3%	3	15.00%
1 – 2%	2	10.00%
0 – 1%	3	15.00%
0 – -1%	5	25.00%
-1 – -2%	2	10.00%
-2 – -3%	3	15.00%
-3 – -4%	1	5.00%
-4 – -5%	1	5.00%

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

89 times FB opened 1 – 2% higher than the previous day's closing price. Among these days, 61.8% (55 days) closed above the opening price, 37.1% (33 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
7 – 8%	1	1.12%
6 – 7%	1	1.12%
4 – 5%	1	1.12%
3 – 4%	2	2.25%
2 – 3%	6	6.74%
1 – 2%	17	19.10%
0 – 1%	27	30.34%
0%	1	1.12%
0 – -1%	15	16.85%
-1 – -2%	12	13.48%
-2 – -3%	3	3.37%
-3 – -4%	1	1.12%
-4 – -5%	1	1.12%
-5 – -6%	1	1.12%

Table 8. Periods when FB moved 15% or more

In this table, we track the price movements in the 20 days after FB 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
20160128	15.5%	2.8	3.3	-8.6	-6.6	-6.9	-4.2	-2.0
20180726	-18.9%	-.8	-2.6	5.4	3.9	2.8	-1.4	-1.5

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

Of the 1,547 trading days from 2015 to 2020, there were 1 days in which FB was up more than 15%. 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 ≥ 15%	2.8	3.3	-8.6	-6.6	-6.9	-4.2	-2.0

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

Of the 1,547 trading days from 2015 to 2020, there were 1 days in which FB was down more than -15%. 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 ≥ -15%	-.8	-2.6	5.4	3.9	2.8	-1.4	-1.5

Table 9. Periods when FB moved 10% or more

In this table, we track the price movements in the 20 days after FB 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
20160128	15.5%	2.8	3.3	-8.6	-6.6	-6.9	-4.2	-2.0
20190131	10.8%	-.6	2.3	-.5	-1.6	-2.6	-2.9	-2.3
20200313	10.2%	-14.3	-10.1	-5.5	-7.9	-6.3	-2.8	2.9
20200316	-14.2%	2.3	2.5	7.0	13.7	8.3	15.6	20.0
20180726	-18.9%	-.8	-2.6	5.4	3.9	2.8	-1.4	-1.5

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

Of the 1,547 trading days from 2015 to 2020, there were 3 days in which FB 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%	-4.0	-1.5	-4.9	-5.4	-5.3	-3.3	-.5

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

Of the 1,547 trading days from 2015 to 2020, there were 2 days in which FB was down more than -10%. This table shows the average price changes over the 2 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -10%	.8	-.0	6.2	8.8	5.5	7.1	9.2

Table 10. Periods when FB moved 5% or more

In this table, we track the price movements in the 20 days after FB 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
20160128	15.5%	2.8	3.3	-8.6	-6.6	-6.9	-4.2	-2.0
20190131	10.8%	-.6	2.3	-.5	-1.6	-2.6	-2.9	-2.3
20200313	10.2%	-14.3	-10.1	-5.5	-7.9	-6.3	-2.8	2.9
20180426	9%	-.3	1.1	2.2	6.5	5.8	4.9	7.3
20200324	8.6%	-3.0	3.1	-1.7	4.9	8.8	9.9	10.7
20200826	8.2%	-3.5	-2.8	-7.0	-11.8	-10.4	-16.9	-18.1
20181226	8.1%	.3	-2.3	2.8	7.5	8.4	10.5	10.0
20200731	8.1%	-.7	4.6	1.0	3.0	3.5	7.0	15.6
20200406	7.3%	2.0	5.8	6.9	7.7	11.8	10.5	22.2
20160428	7.1%	.7	1.1	2.2	3.0	.5	.5	1.0
20200422	6.7%	1.6	.3	11.0	14.4	17.0	13.5	19.0
20201109	6.6%	-2.3	-.7	-2.4	-3.7	-1.1	2.8	.3
20200806	6.4%	1.2	-2.0	-1.6	1.4	5.9	10.7	14.0
20200429	6.1%	5.4	6.6	9.4	5.6	9.8	19.2	19.6
20200520	6%	.6	1.0	-2.1	.1	.6	-2.4	2.5
20190425	5.8%	-.9	-.1	.3	-2.4	-6.5	-4.1	-4.1
20200330	5.8%	.5	-7.1	5.0	5.3	6.2	2.9	14.5
20200430	5.4%	-1.2	1.8	4.1	1.0	5.9	14.8	11.9
20200310	5.1%	-4.5	-18.1	-14.1	-9.7	-12.0	-10.4	-7.1
20150826	5%	2.9	.0	1.2	3.7	5.9	8.2	6.6
20200611	-5.1%	1.8	4.9	6.6	5.0	1.2	4.0	8.5
20200303	-5.3%	3.2	-8.8	-16.9	-19.6	-19.5	-16.0	-10.7
20181024	-5.4%	3.4	.1	3.0	3.8	-3.1	-1.5	-9.3
20201028	-5.5%	4.9	4.1	2.8	2.7	.8	3.0	3.5
20161103	-5.6%	.6	2.7	-4.1	-1.8	1.2	.3	-1.3
20181119	-5.7%	.7	.1	4.0	7.3	6.1	8.0	9.5
20160205	-5.8%	-4.2	-2.1	-2.4	.5	2.7	2.7	5.3
20200130	-6.1%	-3.6	.3	1.7	1.7	3.9	.3	-5.9
20181221	-6.3%	-.7	7.7	4.9	10.4	15.4	16.4	18.7
20201030	-6.3%	-.7	5.1	6.0	3.7	5.2	5.6	9.3
20200309	-6.4%	5.1	.5	-13.3	-12.6	-3.6	-1.6	-9.0
20180319	-6.7%	-2.6	-7.6	-11.3	-10.0	-7.7	-4.4	-4.7
20181219	-7.2%	.1	-6.9	-.0	1.8	3.6	8.2	11.8
20190603	-7.2%	1.8	5.4	6.4	14.9	15.2	14.8	17.3
20200626	-8.3%	2.1	8.0	11.5	13.4	11.2	13.6	7.6
20200312	-9.2%	10.2	-4.9	-4.1	5.7	8.0	-.2	12.8
20200316	-14.2%	2.3	2.5	7.0	13.7	8.3	15.6	20.0
20180726	-18.9%	-.8	-2.6	5.4	3.9	2.8	-1.4	-1.5

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

Of the 1,547 trading days from 2015 to 2020, there were 20 days in which FB was up more than 5%. This table shows the average price changes over the 20 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 5%	-.7	-.6	.1	1.0	2.2	3.6	6.2

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

Of the 1,547 trading days from 2015 to 2020, there were 18 days in which FB 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%	1.3	.5	.4	2.5	2.9	3.7	4.6

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Also see: VIX price movement study.