Statistics of Price Movements of Emergent Biosolutions (EBS)

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

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

Table 1. Statistics of EBS 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, 51.2% of the time (793 days), EBS closed above the previous day's closing price. 45.0% of the time (696 days), it closed below the previous day's closing price. 3.8% of the time (59 days), it did not change.

Also see: VIX price movement study.

EBS Price Change (%)	Number of Days	% of Total Sessions
22 – 23%	1	0.06%
18 – 19%	1	0.06%
14 – 15%	2	0.13%
13 – 14%	1	0.06%
12 – 13%	1	0.06%
11 – 12%	1	0.06%
10 – 11%	2	0.13%
9 – 10%	2	0.13%
8 – 9%	1	0.06%
7 – 8%	4	0.26%
6 – 7%	12	0.78%
5 – 6%	21	1.36%
4 – 5%	32	2.07%
3 – 4%	67	4.33%
2 – 3%	122	7.88%
1 – 2%	228	14.73%
0 – 1%	295	19.06%
0%	59	3.81%
0 – -1%	278	17.96%
-1 – -2%	170	10.98%
-2 – -3%	114	7.36%
-3 – -4%	59	3.81%
-4 – -5%	35	2.26%
-5 – -6%	16	1.03%
-6 – -7%	7	0.45%
-7 – -8%	7	0.45%
-8 – -9%	2	0.13%
-9 – -10%	1	0.06%
-10 – -11%	3	0.19%
-13 – -14%	1	0.06%
-16 – -17%	1	0.06%
-20 – -21%	2	0.13%

Table 2. Statistics of EBS: 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 EBS.

49.8% of the time (771 days), EBS closed above the opening price. 46.0% of the time (712 days), it closed below the opening price. 4.3% of the time (66 days), it closed where it started.

Closing - Open (%)	Number of Days	% of Total Sessions
15 – 16%	1	0.06%
11 – 12%	1	0.06%
9 – 10%	1	0.06%
8 – 9%	1	0.06%
7 – 8%	6	0.39%
6 – 7%	5	0.32%
5 – 6%	15	0.97%
4 – 5%	29	1.87%
3 – 4%	63	4.07%
2 – 3%	115	7.42%
1 – 2%	227	14.65%
0 – 1%	307	19.82%
0%	66	4.26%
0 – -1%	266	17.17%
-1 – -2%	211	13.62%
-2 – -3%	105	6.78%
-3 – -4%	61	3.94%
-4 – -5%	28	1.81%
-5 – -6%	18	1.16%
-6 – -7%	10	0.65%
-7 – -8%	2	0.13%
-8 – -9%	8	0.52%
-9 – -10%	1	0.06%
-10 – -11%	1	0.06%
-19 – -20%	1	0.06%

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

In the past 1,549 trading days, EBS opened more than 5% higher than the previous day's closing price 14 times. Of these days, 78.6% (11 days) had closing prices above the opening price, and 21.4% (3 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
15 – 16%	1	7.14%
8 – 9%	1	7.14%
7 – 8%	1	7.14%
6 – 7%	1	7.14%
5 – 6%	1	7.14%
4 – 5%	1	7.14%
3 – 4%	1	7.14%
1 – 2%	2	14.29%
0 – 1%	2	14.29%
-1 – -2%	1	7.14%
-8 – -9%	1	7.14%
-9 – -10%	1	7.14%

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

On 7 days, EBS opened 4–5% higher than the previous day's closing price. Of these days, 71.4% (5 days) had closing prices above the opening price, and 28.6% (2 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
7 – 8%	1	14.29%
4 – 5%	1	14.29%
2 – 3%	2	28.57%
1 – 2%	1	14.29%
-3 – -4%	1	14.29%
-8 – -9%	1	14.29%

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

5 times EBS opened 3 – 4% higher than the previous day's closing price. Among these days, 60.0% (3 days) closed above the opening price, 40.0% (2 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
3 – 4%	1	20.00%
2 – 3%	1	20.00%
0 – 1%	1	20.00%
-4 – -5%	1	20.00%
-6 – -7%	1	20.00%

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

21 times EBS opened 2 – 3% higher than the previous day's closing price. Among these days, 19.0% (4 days) closed above the opening price, 81.0% (17 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
11 – 12%	1	4.76%
3 – 4%	1	4.76%
1 – 2%	1	4.76%
0 – 1%	1	4.76%
0 – -1%	3	14.29%
-1 – -2%	6	28.57%
-3 – -4%	1	4.76%
-4 – -5%	3	14.29%
-5 – -6%	1	4.76%
-6 – -7%	1	4.76%
-7 – -8%	1	4.76%
-8 – -9%	1	4.76%

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

106 times EBS opened 1 – 2% higher than the previous day's closing price. Among these days, 48.1% (51 days) closed above the opening price, 50.9% (54 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
5 – 6%	2	1.89%
4 – 5%	2	1.89%
3 – 4%	6	5.66%
2 – 3%	9	8.49%
1 – 2%	17	16.04%
0 – 1%	15	14.15%
0%	1	0.94%
0 – -1%	16	15.09%
-1 – -2%	15	14.15%
-2 – -3%	8	7.55%
-3 – -4%	2	1.89%
-4 – -5%	6	5.66%
-5 – -6%	2	1.89%
-6 – -7%	3	2.83%
-8 – -9%	2	1.89%

Table 8. Periods when EBS moved 15% or more

In this table, we track the price movements in the 20 days after EBS 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
20200313	22.1%	-16.6	-22.8	-18.7	-25.5	-21.0	-10.8	-8.9
20161209	18.9%	3.4	10.7	8.3	3.8	1.0	1.5	2.9
20200316	-16.5%	.5	-14.0	-4.6	-5.0	-.6	3.2	9.2
20160622	-20.3%	-2.2	-9.6	-8.4	-6.5	-2.7	-1.7	-3.3
20200608	-20.9%	1.1	.1	1.8	6.4	10.8	15.1	24.9

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

Of the 1,549 trading days from 2015 to 2020, there were 2 days in which EBS was up more than 15%. 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 ≥ 15%	-6.6	-6.0	-5.2	-10.9	-10.0	-4.7	-3.0

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

Of the 1,549 trading days from 2015 to 2020, there were 3 days in which EBS was down 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%	-.2	-7.8	-3.7	-1.7	2.5	5.5	10.3

Table 9. Periods when EBS moved 10% or more

In this table, we track the price movements in the 20 days after EBS 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	22.1%	-16.6	-22.8	-18.7	-25.5	-21.0	-10.8	-8.9
20161209	18.9%	3.4	10.7	8.3	3.8	1.0	1.5	2.9
20200731	14.6%	6.1	14.1	10.0	19.9	18.5	12.9	6.4
20190903	14.4%	11.7	12.9	8.0	6.3	1.8	1.6	4.3
20160930	13.5%	.3	1.2	1.0	-7.3	-9.6	-10.3	-12.9
20200324	12.7%	-2.1	-2.5	2.0	5.8	12.0	11.9	25.5
20190904	11.6%	1.3	2.1	-7.1	-4.9	-7.4	-9.4	-6.5
20200310	10.2%	-8.4	-.9	-8.3	-3.4	-11.5	-6.2	5.9
20200424	10.1%	7.2	.9	8.5	10.1	10.7	22.1	12.5
20171107	-10.4%	5.7	5.5	-1.0	1.5	7.6	9.4	13.2
20200309	-10.4%	10.2	30.9	5.8	-5.5	9.2	10.2	9.8
20200327	-10.6%	6.4	11.3	15.5	22.3	22.2	37.1	30.0
20201013	-13.6%	1.5	-.3	1.4	-1.4	-6.5	2.1	-6.8
20200316	-16.5%	.5	-14.0	-4.6	-5.0	-.6	3.2	9.2
20160622	-20.3%	-2.2	-9.6	-8.4	-6.5	-2.7	-1.7	-3.3
20200608	-20.9%	1.1	.1	1.8	6.4	10.8	15.1	24.9

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

Of the 1,549 trading days from 2015 to 2020, there were 9 days in which EBS was up more than 10%. This table shows the average price changes over the 9 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 10%	.3	1.7	.4	.5	-.6	1.5	3.3

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

Of the 1,549 trading days from 2015 to 2020, there were 7 days in which EBS was down more than -10%. This table shows the average price changes over the 7 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -10%	3.3	3.4	1.5	1.7	5.7	10.8	11.0

Table 10. Periods when EBS moved 5% or more

In this table, we track the price movements in the 20 days after EBS 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	22.1%	-16.6	-22.8	-18.7	-25.5	-21.0	-10.8	-8.9
20161209	18.9%	3.4	10.7	8.3	3.8	1.0	1.5	2.9
20200731	14.6%	6.1	14.1	10.0	19.9	18.5	12.9	6.4
20190903	14.4%	11.7	12.9	8.0	6.3	1.8	1.6	4.3
20160930	13.5%	.3	1.2	1.0	-7.3	-9.6	-10.3	-12.9
20200324	12.7%	-2.1	-2.5	2.0	5.8	12.0	11.9	25.5
20190904	11.6%	1.3	2.1	-7.1	-4.9	-7.4	-9.4	-6.5
20200310	10.2%	-8.4	-.9	-8.3	-3.4	-11.5	-6.2	5.9
20200424	10.1%	7.2	.9	8.5	10.1	10.7	22.1	12.5
20200805	9.6%	-5.6	-9.0	-.8	-2.0	-6.6	-12.0	-17.6
20200304	9.2%	-.6	-5.4	12.3	-9.2	-19.0	-6.3	-5.5
20190603	8.2%	5.0	7.6	2.6	4.9	7.5	9.0	11.8
20180914	7.7%	-.2	1.5	2.3	1.3	1.4	-.1	-7.7
20171103	7.4%	.5	-5.7	-6.0	-12.2	-5.0	-3.5	2.1
20200518	7.4%	-3.4	-5.5	-6.0	-.3	-5.3	-22.4	-23.2
20200427	7.2%	-4.0	.2	1.1	7.6	2.9	10.0	7.6
20200601	6.9%	.0	-2.7	-20.2	-20.4	-21.5	-16.7	-15.7
20160322	6.6%	-3.6	-2.4	5.7	9.2	13.2	15.2	16.6
20200330	6.4%	6.2	5.8	13.6	13.8	16.6	22.9	34.5
20200501	6.4%	1.0	.7	3.5	5.9	12.6	7.5	4.2
20170526	6.3%	.0	-.5	-1.1	-.6	.0	-.1	5.7
20191125	6.3%	1.0	.6	-.8	-1.0	-1.0	-3.4	-.2
20200406	6.3%	-3.5	2.1	2.0	14.4	8.5	22.9	28.3
20200914	6.2%	-1.4	-3.4	-1.9	-.5	1.7	6.9	5.1
20200312	6.1%	22.2	-1.2	-11.9	1.9	2.8	2.5	10.0
20200331	6.1%	-6.1	6.0	8.3	9.7	16.1	15.1	35.8
20200228	6%	.2	3.7	-1.3	17.2	-5.3	-15.5	-2.3
20200803	6%	3.9	10.7	9.8	13.0	11.1	4.7	-.3
20200812	5.9%	4.1	.3	-1.2	-4.5	-12.0	-17.4	-19.7
20201104	5.9%	-1.3	-10.9	-11.8	-17.9	-19.0	-18.2	-16.2
20160329	5.8%	-.8	4.8	9.4	9.0	11.5	9.8	14.6
20161110	5.8%	1.0	-3.7	-3.8	-3.5	-7.5	-14.2	-13.3
20180212	5.8%	.4	6.3	5.6	5.6	4.7	7.3	11.6
20200714	5.8%	1.6	5.6	-8.0	-4.3	15.1	39.1	34.7
20150806	5.7%	-.5	1.9	.4	-5.3	-3.9	.1	-3.0
20171108	5.7%	-1.0	-1.3	-7.8	-.2	1.4	7.3	3.4
20160120	5.6%	.2	4.3	5.0	7.3	-5.1	1.0	6.0
20181226	5.6%	-.3	.9	.0	8.7	7.1	6.5	3.5
20200417	5.6%	4.5	-.9	12.3	17.2	18.3	25.9	20.4
20201005	5.6%	5.1	3.4	-7.7	-9.4	-7.8	-10.4	-15.1
20170509	5.5%	-1.6	-.0	-3.5	-5.7	1.8	1.2	.9
20200708	5.5%	.1	2.4	10.4	-.5	.4	2.8	29.9
20161108	5.4%	4.0	12.9	7.4	3.6	8.4	-3.7	-1.1
20200727	5.4%	-2.4	17.4	41.9	37.4	42.4	37.1	35.1
20160112	5.2%	-5.3	-4.2	-3.4	.6	1.2	3.4	-8.5
20160406	5.2%	-1.7	-2.1	.2	-1.4	3.0	-.9	-.7
20181016	5%	-.8	-3.7	-5.0	-5.0	2.1	9.6	3.4
20190604	5%	1.2	-.9	-1.2	2.8	2.1	2.5	1.8
20201006	5%	-2.3	.1	-10.6	-13.1	-13.7	-18.0	-18.2
20160617	-5.1%	.9	-21.3	-27.3	-26.3	-24.8	-21.8	-21.0
20171115	-5.1%	-.1	2.5	8.7	10.5	14.3	10.6	18.6
20191021	-5.1%	4.2	5.6	11.1	8.6	5.6	6.3	5.3
20181207	-5.2%	2.1	-5.2	-7.2	-14.8	-10.4	-9.6	-12.3
20201002	-5.2%	5.6	10.1	-4.0	-1.4	-7.2	-5.0	-9.5
20201209	-5.2%
20160113	-5.3%	2.0	-3.6	5.6	3.4	6.5	7.7	-1.8
20200227	-5.3%	6.1	10.7	-5.1	1.7	4.2	-10.8	-1.1
20200723	-5.3%	1.0	5.9	32.6	42.7	37.5	50.0	48.1
20201118	-5.3%
20161130	-5.4%	-1.8	3.8	21.0	29.2	27.5	25.2	21.6
20200806	-5.5%	2.9	2.1	5.1	3.3	-2.7	-7.4	-12.2
20150325	-5.7%	.9	4.2	6.2	4.3	9.6	9.2	8.5
20180615	-5.7%	.4	-.2	-.7	-3.8	.0	2.1	4.5
20160229	-5.8%	3.8	4.7	1.6	-.2	-6.5	1.7	-.2
20191107	-5.8%	-1.7	-.5	-1.2	-4.7	.2	-.3	-1.6
20161128	-6%	-.0	-7.2	-6.3	18.2	26.6	23.9	18.7
20200811	-6%	5.9	9.0	7.2	1.0	-3.9	-8.8	-14.8
20200401	-6.1%	5.0	8.9	15.3	15.2	29.2	22.5	38.8
20161102	-6.2%	-3.3	9.3	21.5	15.9	15.7	16.2	11.3
20181204	-6.2%	.0	-2.4	-9.5	-11.3	-18.6	-14.4	-13.6
20200224	-6.8%	-2.5	-4.5	-.4	-14.5	-8.4	-6.2	-19.7
20200521	-6.8%	2.5	2.0	8.2	2.8	-15.8	-16.6	-15.2
20200320	-7%	.5	16.2	17.3	16.9	25.5	25.7	28.8
20160627	-7.1%	4.0	5.4	7.6	11.9	13.0	11.2	18.7
20160801	-7.2%	-1.6	-3.8	-11.4	-11.5	-9.8	-10.8	-10.9
20160810	-7.3%	.6	-3.2	2.1	-1.4	.1	-3.8	-.3
20160208	-7.5%	1.7	8.5	12.5	15.1	12.4	6.2	7.0
20170109	-7.5%	-3.0	-4.3	-6.6	-6.7	-5.2	-5.5	-5.5
20200721	-7.7%	-.2	.7	3.1	30.3	38.8	37.6	41.7
20200311	-8.4%	6.1	8.7	-7.0	3.2	2.8	7.5	11.6
20190313	-8.5%	-2.9	-5.7	-7.2	-5.2	-3.6	.4	.5
20190503	-9.8%	2.7	-.5	-8.1	-8.1	-9.4	-10.1	-15.0
20171107	-10.4%	5.7	5.5	-1.0	1.5	7.6	9.4	13.2
20200309	-10.4%	10.2	30.9	5.8	-5.5	9.2	10.2	9.8
20200327	-10.6%	6.4	11.3	15.5	22.3	22.2	37.1	30.0
20201013	-13.6%	1.5	-.3	1.4	-1.4	-6.5	2.1	-6.8
20200316	-16.5%	.5	-14.0	-4.6	-5.0	-.6	3.2	9.2
20160622	-20.3%	-2.2	-9.6	-8.4	-6.5	-2.7	-1.7	-3.3
20200608	-20.9%	1.1	.1	1.8	6.4	10.8	15.1	24.9

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

Of the 1,549 trading days from 2015 to 2020, there were 49 days in which EBS was up more than 5%. This table shows the average price changes over the 49 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 5%	.4	1.0	.9	1.6	1.5	2.5	3.8

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

Of the 1,549 trading days from 2015 to 2020, there were 40 days in which EBS was down more than -5%. This table shows the average price changes over the 40 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -5%	1.7	1.9	2.4	3.4	4.6	5.3	5.1

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