Statistics of Price Movements of Marvell Tech Group (MRVL)

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

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

Table 1. Statistics of MRVL 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, 49.1% of the time (759 days), MRVL closed above the previous day's closing price. 45.8% of the time (708 days), it closed below the previous day's closing price. 5.1% of the time (79 days), it did not change.

Also see: VIX price movement study.

MRVL Price Change (%)	Number of Days	% of Total Sessions
15 – 16%	1	0.06%
14 – 15%	2	0.13%
13 – 14%	1	0.06%
10 – 11%	2	0.13%
9 – 10%	2	0.13%
8 – 9%	2	0.13%
7 – 8%	5	0.32%
6 – 7%	12	0.78%
5 – 6%	12	0.78%
4 – 5%	29	1.88%
3 – 4%	52	3.36%
2 – 3%	108	6.99%
1 – 2%	199	12.87%
0 – 1%	332	21.47%
0%	79	5.11%
0 – -1%	298	19.28%
-1 – -2%	210	13.58%
-2 – -3%	99	6.40%
-3 – -4%	41	2.65%
-4 – -5%	32	2.07%
-5 – -6%	11	0.71%
-6 – -7%	8	0.52%
-7 – -8%	2	0.13%
-8 – -9%	3	0.19%
-11 – -12%	1	0.06%
-14 – -15%	2	0.13%
-16 – -17%	1	0.06%

Table 2. Statistics of MRVL: 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 MRVL.

45.9% of the time (710 days), MRVL closed above the opening price. 49.3% of the time (763 days), it closed below the opening price. 4.8% of the time (74 days), it closed where it started.

Closing - Open (%)	Number of Days	% of Total Sessions
8 – 9%	3	0.19%
7 – 8%	3	0.19%
6 – 7%	4	0.26%
5 – 6%	10	0.65%
4 – 5%	15	0.97%
3 – 4%	52	3.36%
2 – 3%	97	6.27%
1 – 2%	178	11.51%
0 – 1%	348	22.50%
0%	74	4.78%
0 – -1%	369	23.85%
-1 – -2%	212	13.70%
-2 – -3%	103	6.66%
-3 – -4%	48	3.10%
-4 – -5%	21	1.36%
-5 – -6%	4	0.26%
-6 – -7%	5	0.32%
-7 – -8%	1	0.06%

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

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

Closing - Open (%)	Number of Days	% of Total Sessions
8 – 9%	1	8.33%
7 – 8%	1	8.33%
1 – 2%	3	25.00%
0 – 1%	3	25.00%
0 – -1%	1	8.33%
-4 – -5%	1	8.33%
-6 – -7%	2	16.67%

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

On 9 days, MRVL opened 4–5% higher than the previous day's closing price. 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
2 – 3%	1	11.11%
1 – 2%	2	22.22%
0 – 1%	1	11.11%
-1 – -2%	2	22.22%
-2 – -3%	1	11.11%
-3 – -4%	1	11.11%
-6 – -7%	1	11.11%

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

17 times MRVL opened 3 – 4% higher than the previous day's closing price. Among these days, 35.3% (6 days) closed above the opening price, 58.8% (10 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
2 – 3%	1	5.88%
1 – 2%	1	5.88%
0 – 1%	4	23.53%
0%	1	5.88%
-1 – -2%	3	17.65%
-2 – -3%	4	23.53%
-3 – -4%	2	11.76%
-7 – -8%	1	5.88%

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

53 times MRVL opened 2 – 3% higher than the previous day's closing price. Among these days, 45.3% (24 days) closed above the opening price, 52.8% (28 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
5 – 6%	1	1.89%
4 – 5%	1	1.89%
3 – 4%	5	9.43%
2 – 3%	1	1.89%
1 – 2%	9	16.98%
0 – 1%	7	13.21%
0%	1	1.89%
0 – -1%	10	18.87%
-1 – -2%	10	18.87%
-2 – -3%	6	11.32%
-3 – -4%	2	3.77%

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

163 times MRVL opened 1 – 2% higher than the previous day's closing price. Among these days, 46.6% (76 days) closed above the opening price, 50.9% (83 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
6 – 7%	1	0.61%
5 – 6%	1	0.61%
4 – 5%	4	2.45%
3 – 4%	9	5.52%
2 – 3%	15	9.20%
1 – 2%	18	11.04%
0 – 1%	28	17.18%
0%	4	2.45%
0 – -1%	40	24.54%
-1 – -2%	19	11.66%
-2 – -3%	12	7.36%
-3 – -4%	8	4.91%
-4 – -5%	2	1.23%
-5 – -6%	1	0.61%
-6 – -7%	1	0.61%

Table 8. Periods when MRVL moved 15% or more

In this table, we track the price movements in the 20 days after MRVL 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
20200324	15.2%	-1.2	3.8	3.6	9.2	11.1	15.1	20.0
20150911	-16.2%	-2.5	.7	.0	5.5	2.4	3.3	6.7

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

Of the 1,547 trading days from 2015 to 2020, there were 1 days in which MRVL 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%	-1.2	3.8	3.6	9.2	11.1	15.1	20.0

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

Of the 1,547 trading days from 2015 to 2020, there were 1 days in which MRVL 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%	-2.5	.7	.0	5.5	2.4	3.3	6.7

Table 9. Periods when MRVL moved 10% or more

In this table, we track the price movements in the 20 days after MRVL 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
20200324	15.2%	-1.2	3.8	3.6	9.2	11.1	15.1	20.0
20201109	14.4%	-4.5	2.5	2.1	5.7	5.7	10.5	2.8
20160720	14%	.4	3.7	4.6	.6	1.6	1.7	2.8
20160405	13%	.3	-1.7	-3.9	-9.9	-6.4	-4.6	-10.4
20161118	10.7%	-.3	-.7	-2.8	-5.3	-2.9	-4.3	-2.1
20200305	10.3%	-3.4	-11.7	-28.8	-24.4	-12.3	-10.3	-13.2
20200312	-11.1%	6.2	-11.8	-3.1	18.5	15.7	14.7	26.5
20200316	-14.6%	6.1	5.2	21.8	28.0	27.7	34.6	36.9
20151027	-14.7%	2.9	4.3	8.1	8.4	5.8	5.3	7.6
20150911	-16.2%	-2.5	.7	.0	5.5	2.4	3.3	6.7

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

Of the 1,547 trading days from 2015 to 2020, there were 6 days in which MRVL was up more than 10%. This table shows the average price changes over the 6 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 10%	-1.4	-.7	-4.2	-4.0	-.6	1.3	-.0

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

Of the 1,547 trading days from 2015 to 2020, there were 4 days in which MRVL 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%	3.2	-.4	6.7	15.1	12.9	14.5	19.4

Table 10. Periods when MRVL moved 5% or more

In this table, we track the price movements in the 20 days after MRVL 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
20200324	15.2%	-1.2	3.8	3.6	9.2	11.1	15.1	20.0
20201109	14.4%	-4.5	2.5	2.1	5.7	5.7	10.5	2.8
20160720	14%	.4	3.7	4.6	.6	1.6	1.7	2.8
20160405	13%	.3	-1.7	-3.9	-9.9	-6.4	-4.6	-10.4
20161118	10.7%	-.3	-.7	-2.8	-5.3	-2.9	-4.3	-2.1
20200305	10.3%	-3.4	-11.7	-28.8	-24.4	-12.3	-10.3	-13.2
20200319	9.2%	-.9	14.6	20.5	20.2	26.7	28.9	33.5
20171106	9.1%	-.3	-.3	-.6	6.9	18.0	15.2	9.8
20200529	8.8%	1.1	10.0	7.8	3.4	7.2	6.4	3.8
20180628	8.2%	-1.5	-3.4	1.1	1.7	-.3	.4	-.3
20171121	7.8%	2.4	.4	-4.0	-5.6	-5.3	-6.2	-4.8
20170825	7.5%	.5	5.0	4.6	1.2	4.5	8.1	5.7
20181226	7.3%	1.5	4.7	5.0	10.5	10.1	6.8	7.7
20200326	7.3%	-3.6	-6.6	2.8	4.7	10.1	12.0	15.0
20181101	7.1%	.1	-4.0	-10.2	-8.4	-13.4	-11.0	-8.4
20160203	6.9%	.3	-6.1	-7.1	.3	.3	3.0	5.2
20191104	6.6%	.9	1.0	4.9	-2.5	-2.5	-1.1	-1.6
20200828	6.5%	1.4	.2	3.1	2.5	1.2	1.6	-.5
20150108	6.4%	.1	-3.1	-3.0	-2.0	-3.3	-3.2	.7
20171120	6.4%	7.8	10.2	2.9	3.3	1.9	2.8	.1
20200313	6.2%	-14.6	-9.3	5.2	7.6	4.1	14.7	16.8
20200406	6.2%	.1	1.8	5.5	10.0	10.8	12.8	6.7
20150827	6.1%	1.8	-.9	-2.4	-5.1	-22.3	-22.2	-21.6
20190125	6.1%	-1.1	-.2	.5	-1.0	3.9	1.4	5.6
20200304	6%	10.4	2.7	-8.0	-23.6	-16.1	2.6	.2
20200317	6%	-8.3	.7	23.2	20.2	19.2	31.5	30.2
20200708	6%	1.4	-.9	-2.8	-4.2	-5.3	-4.4	-.2
20160216	5.9%	2.0	2.0	4.7	6.9	6.9	8.2	12.5
20151201	5.8%	1.8	-3.1	-10.2	-12.2	-8.7	-4.7	-5.2
20200520	5.8%	.5	5.0	12.6	24.2	20.7	15.1	20.0
20200116	5.7%	.8	-1.7	-8.4	-12.2	-12.4	-15.0	-9.8
20160129	5.6%	.9	5.1	-1.7	-2.7	5.1	5.1	7.9
20200211	5.5%	-.1	-1.5	-1.5	-11.2	-16.5	-11.4	-12.9
20150713	5.4%	-2.0	-2.6	-6.0	-6.8	-4.1	-7.1	-5.2
20200422	5.4%	-.9	.9	-4.6	-.2	-1.2	-1.4	2.7
20170125	5.1%	-.9	-2.6	3.0	2.8	2.8	3.5	6.2
20190813	5.1%	-1.8	.1	-1.4	-6.5	-4.7	-4.4	-.6
20200902	5%	-7.0	-4.2	-4.8	-6.0	-5.6	-7.6	-3.6
20200909	5%	-2.4	-1.1	-2.4	-4.8	1.1	2.2	6.7
20150824	-5%	-2.2	6.7	3.9	2.3	-.6	-18.6	-18.5
20190322	-5.1%	.1	-1.5	2.4	8.1	13.3	20.3	26.1
20200311	-5.1%	-11.1	-14.5	-15.2	-1.9	3.1	2.9	8.5
20200127	-5.2%	1.8	-7.1	-.1	-6.6	-2.5	-4.2	-5.6
20180625	-5.3%	-1.3	6.2	4.2	9.1	9.7	7.5	8.3
20181204	-5.3%	.0	-1.0	1.0	-.4	-3.9	-.2	4.5
20160106	-5.5%	1.0	5.3	.7	-1.7	1.6	4.1	7.7
20181024	-5.7%	1.8	-2.5	6.3	2.1	-4.5	-2.7	-8.0
20180313	-5.8%	2.0	-.5	-3.8	-6.8	-8.5	-9.3	-10.2
20190513	-5.8%	3.4	2.2	2.1	-1.0	.2	5.8	8.6
20181010	-5.9%	2.0	8.6	2.2	-4.8	-10.2	1.2	-3.0
20160624	-6%	-6.7	-2.6	-4.2	2.2	2.4	3.1	15.3
20170517	-6%	1.6	7.2	15.8	13.0	14.9	16.9	16.3
20200224	-6%	-1.4	-7.2	-1.6	-3.2	-14.8	-18.0	-18.7
20191008	-6.4%	1.5	4.8	3.0	5.0	7.8	6.3	16.8
20160627	-6.7%	1.2	4.5	3.5	9.6	10.6	8.0	28.4
20200207	-6.7%	.5	5.0	3.2	1.7	-6.9	-8.6	3.8
20181026	-6.8%	-.5	12.1	7.5	4.5	.3	-3.1	-.1
20200903	-6.9%	-2.5	.5	1.8	.4	-2.0	4.1	5.2
20151208	-7.3%	-1.8	-4.5	.6	3.1	7.1	4.0	4.5
20200309	-7.7%	4.5	-6.5	-22.4	-14.7	4.3	1.8	.9
20200227	-8%	3.6	9.9	8.1	-4.8	-8.4	-9.1	5.1
20200318	-8.3%	9.2	26.7	29.6	25.4	38.2	40.8	48.0
20150522	-8.5%	.0	8.1	6.6	8.1	7.8	7.2	10.0
20200312	-11.1%	6.2	-11.8	-3.1	18.5	15.7	14.7	26.5
20200316	-14.6%	6.1	5.2	21.8	28.0	27.7	34.6	36.9
20151027	-14.7%	2.9	4.3	8.1	8.4	5.8	5.3	7.6
20150911	-16.2%	-2.5	.7	.0	5.5	2.4	3.3	6.7

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

Of the 1,547 trading days from 2015 to 2020, there were 39 days in which MRVL was up more than 5%. This table shows the average price changes over the 39 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 5%	-.5	.2	.1	-.3	.8	2.3	3.1

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

Of the 1,547 trading days from 2015 to 2020, there were 28 days in which MRVL was down more than -5%. This table shows the average price changes over the 28 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -5%	.7	2.1	2.9	3.9	4.0	4.2	8.3

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Also see: VIX price movement study.