Statistics of Price Movements of Ppd Inc (PPD)

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

The statistics are calculated using PPD's price data across 217 trading days from 2020 to 2020.

Table 1. Statistics of PPD 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 217 trading days, 50.0% of the time (108 days), PPD closed above the previous day's closing price. 47.2% of the time (102 days), it closed below the previous day's closing price. 2.8% of the time (6 days), it did not change.

Also see: VIX price movement study.

PPD Price Change (%)	Number of Days	% of Total Sessions
13 – 14%	2	0.93%
12 – 13%	1	0.46%
11 – 12%	1	0.46%
9 – 10%	1	0.46%
8 – 9%	1	0.46%
6 – 7%	4	1.85%
5 – 6%	6	2.78%
4 – 5%	6	2.78%
3 – 4%	11	5.09%
2 – 3%	15	6.94%
1 – 2%	27	12.50%
0 – 1%	33	15.28%
0%	6	2.78%
0 – -1%	36	16.67%
-1 – -2%	27	12.50%
-2 – -3%	19	8.80%
-3 – -4%	6	2.78%
-4 – -5%	6	2.78%
-5 – -6%	2	0.93%
-6 – -7%	2	0.93%
-14 – -15%	1	0.46%
-15 – -16%	1	0.46%
-19 – -20%	1	0.46%
-21 – -22%	1	0.46%

Table 2. Statistics of PPD: 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 PPD.

44.2% of the time (96 days), PPD closed above the opening price. 51.2% of the time (111 days), it closed below the opening price. 4.6% of the time (10 days), it closed where it started.

Closing - Open (%)	Number of Days	% of Total Sessions
13 – 14%	1	0.46%
9 – 10%	2	0.92%
8 – 9%	2	0.92%
7 – 8%	1	0.46%
6 – 7%	1	0.46%
5 – 6%	7	3.23%
4 – 5%	1	0.46%
3 – 4%	8	3.69%
2 – 3%	12	5.53%
1 – 2%	24	11.06%
0 – 1%	37	17.05%
0%	10	4.61%
0 – -1%	39	17.97%
-1 – -2%	25	11.52%
-2 – -3%	21	9.68%
-3 – -4%	12	5.53%
-4 – -5%	8	3.69%
-5 – -6%	1	0.46%
-6 – -7%	1	0.46%
-10 – -11%	1	0.46%
-11 – -12%	1	0.46%
-13 – -14%	1	0.46%
-17 – -18%	1	0.46%

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

In the past 217 trading days, PPD opened more than 5% higher than the previous day's closing price 3 times. Of these days, 33.3% (1 days) had closing prices above the opening price, and 66.7% (2 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
1 – 2%	1	33.33%
0 – -1%	1	33.33%
-6 – -7%	1	33.33%

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

On 2 days, PPD opened 4–5% higher than the previous day's closing price. Of these days, 100.0% (2 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
9 – 10%	1	50.00%
7 – 8%	1	50.00%

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

4 times PPD opened 3 – 4% higher than the previous day's closing price. Among these days, 50.0% (2 days) closed above the opening price, 25.0% (1 days) closed below the opening price.

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

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

9 times PPD opened 2 – 3% 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
8 – 9%	1	11.11%
3 – 4%	1	11.11%
1 – 2%	2	22.22%
0 – 1%	1	11.11%
-1 – -2%	2	22.22%
-2 – -3%	1	11.11%
-4 – -5%	1	11.11%

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

29 times PPD opened 1 – 2% higher than the previous day's closing price. Among these days, 37.9% (11 days) closed above the opening price, 62.1% (18 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
4 – 5%	1	3.45%
2 – 3%	2	6.90%
1 – 2%	2	6.90%
0 – 1%	6	20.69%
0 – -1%	4	13.79%
-1 – -2%	7	24.14%
-2 – -3%	2	6.90%
-3 – -4%	3	10.34%
-4 – -5%	2	6.90%

Table 8. Periods when PPD moved 15% or more

In this table, we track the price movements in the 20 days after PPD 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
20200312	-15.9%	6.2	-35.3	-35.2	-8.0	-17.7	-22.4	-3.9
20200316	-19.5%	-3.5	-21.6	-5.5	-3.0	-9.4	7.2	25.3
20200318	-21.6%	2.4	13.9	21.4	18.4	35.1	65.7	65.0

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

Of the 217 trading days from 2020 to 2020, there were 3 days in which PPD 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%	1.7	-14.3	-6.4	2.5	2.7	16.8	28.8

Table 9. Periods when PPD moved 10% or more

In this table, we track the price movements in the 20 days after PPD 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
20200326	13.7%	-14.6	-16.7	-5.0	16.5	16.0	11.8	13.2
20200324	13.6%	9.8	12.7	5.2	24.5	45.5	41.7	43.5
20200406	12.6%	4.9	22.6	19.3	20.9	22.0	24.2	20.1
20200409	11.4%	.0	-2.7	-1.4	-.5	1.3	-2.1	5.3
20200327	-14.6%	5.6	-1.4	16.8	36.5	32.8	34.5	35.8
20200312	-15.9%	6.2	-35.3	-35.2	-8.0	-17.7	-22.4	-3.9
20200316	-19.5%	-3.5	-21.6	-5.5	-3.0	-9.4	7.2	25.3
20200318	-21.6%	2.4	13.9	21.4	18.4	35.1	65.7	65.0

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

Of the 217 trading days from 2020 to 2020, there were 4 days in which PPD was up more than 10%. This table shows the average price changes over the 4 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 10%	.0	4.0	4.5	15.4	21.2	18.9	20.5

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

Of the 217 trading days from 2020 to 2020, there were 4 days in which PPD was down more than -10%. This table shows the average price changes over the 4 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -10%	2.7	-11.1	-.6	11.0	10.2	21.3	30.6

Table 10. Periods when PPD moved 5% or more

In this table, we track the price movements in the 20 days after PPD 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
20200326	13.7%	-14.6	-16.7	-5.0	16.5	16.0	11.8	13.2
20200324	13.6%	9.8	12.7	5.2	24.5	45.5	41.7	43.5
20200406	12.6%	4.9	22.6	19.3	20.9	22.0	24.2	20.1
20200409	11.4%	.0	-2.7	-1.4	-.5	1.3	-2.1	5.3
20200325	9.7%	13.8	1.8	-4.1	18.9	32.2	25.7	25.8
20200507	8.4%	3.6	1.2	4.2	4.4	1.8	2.8	7.9
20200615	6.7%	-2.0	-1.8	-3.4	-3.9	-1.8	2.4	6.2
20200803	6.4%	-1.2	2.3	2.6	.2	2.7	6.8	8.8
20200428	6.3%	1.9	1.6	12.7	14.6	17.1	18.3	16.0
20200313	6.2%	-19.5	-37.7	-30.7	-26.1	-27.9	-17.7	.9
20200330	5.6%	-.8	-6.5	15.9	28.8	22.5	22.6	25.3
20200520	5.3%	-.5	-3.0	-2.0	2.8	-3.5	-9.3	-3.5
20200717	5.2%	.3	3.1	-3.8	-2.5	6.2	5.5	4.4
20200930	5.2%	-2.6	-2.8	-.2	-.5	-.7	-2.5	-8.1
20200504	5%	.2	15.0	12.4	15.6	15.9	13.0	14.1
20200515	5%	.3	.5	-2.0	-1.0	3.9	-2.5	-8.3
20200225	-5.1%	1.3	-5.2	2.0	-4.2	-19.1	-50.8	-50.7
20200311	-5.4%	-16.0	-30.6	-43.6	-32.1	-30.3	-34.9	-22.9
20200309	-6.2%	1.6	-14.2	-47.8	-47.7	-25.7	-33.6	-37.4
20200401	-6.9%	1.1	19.7	39.9	36.2	37.9	39.2	41.7
20200327	-14.6%	5.6	-1.4	16.8	36.5	32.8	34.5	35.8
20200312	-15.9%	6.2	-35.3	-35.2	-8.0	-17.7	-22.4	-3.9
20200316	-19.5%	-3.5	-21.6	-5.5	-3.0	-9.4	7.2	25.3
20200318	-21.6%	2.4	13.9	21.4	18.4	35.1	65.7	65.0

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

Of the 217 trading days from 2020 to 2020, there were 16 days in which PPD was up more than 5%. This table shows the average price changes over the 16 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 5%	-.4	-.6	1.2	7.1	9.6	8.8	10.7

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

Of the 217 trading days from 2020 to 2020, there were 8 days in which PPD was down more than -5%. 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 ≥ -5%	-.1	-9.3	-6.5	-.5	.5	.6	6.6

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Also see: VIX price movement study.