玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q4 (20)13.14-32.4875.23.2629.3748.866.9247.86-42.9527.95-22.58-32.8333.32-3.31-28.391.56-75.32-78.36
24Q3 (19)19.46-13.0995.972.5235.4848.244.6815.27-48.9636.10-26.34-32.5634.46-23.49-22.936.32-21.3-64.85
24Q2 (18)22.39162.79109.061.86-1.0640.914.06-61.99-52.1849.011.13-28.6745.04-11.91-5.668.030.25-72.74
24Q1 (17)8.5213.634.61.88-14.1642.4210.68-11.95-25.7348.4616.46-29.8251.139.892.828.0111.1-76.23
23Q4 (16)7.50-24.4715.922.1928.8240.3812.1332.28-13.7341.61-22.27-28.6346.534.0715.67.21-59.9-77.55
23Q3 (15)9.93-7.2844.331.7028.79-2.39.178.01-30.6453.53-22.092.3544.71-6.357.1417.98-38.97-24.42
23Q2 (14)10.7169.1989.891.320.0-27.878.49-40.96-47.3368.71-0.4938.3347.74-4.018.9329.46-12.5814.85
23Q1 (13)6.33-2.1620.341.32-15.38-40.014.382.28-16.9369.0518.4467.1949.7323.5547.3933.704.9235.5
22Q4 (12)6.47-5.9623.951.56-10.34-38.3414.066.35-19.3358.3011.4761.8540.25-3.559.9132.1235.0190.85
22Q3 (11)6.8821.9923.081.74-4.92-37.8613.22-17.99-18.7552.305.2960.8741.733.9621.7323.79-7.2564.07
22Q2 (10)5.647.2229.061.83-16.82-30.1516.12-6.87-22.6149.6720.2742.9840.1418.9712.0925.653.1429.81
22Q1 (9)5.260.7752.022.20-13.04-25.1717.31-0.69-34.1341.3014.6633.6633.74-7.86-17.4924.8747.7752.67
21Q4 (8)5.22-6.625.452.53-9.64-43.417.437.13-5.1736.0210.877.0936.626.8321.7816.8316.0794.57
21Q3 (7)5.5927.92-37.262.806.87-28.7516.27-21.8959.3532.51-6.4240.4334.28-4.2731.4914.50-26.6298.9
21Q2 (6)4.3726.3-74.032.62-10.88-8.3920.83-20.74285.0334.7412.439.2135.81-12.429.2119.7621.3346.05
21Q1 (5)3.46-30.1-61.562.94-34.237.6926.2842.98159.9430.9051.92-7.3540.8935.983.3116.2988.32319.85
20Q4 (4)4.95-44.440.04.4713.740.018.3880.020.020.34-12.140.030.0715.340.08.6518.660.0
20Q3 (3)8.91-47.060.03.9337.410.010.2188.720.023.15-27.220.026.07-20.490.07.2964.560.0
20Q2 (2)16.8387.00.02.864.760.05.41-46.490.031.81-4.620.032.79-17.160.04.4314.180.0
20Q1 (1)9.000.00.02.730.00.010.110.00.033.350.00.039.580.00.03.880.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2024 (10)34.0340.8510.3652.3510.73-28.9935.23-34.3846.61-3.8-0.650
2023 (9)24.167.436.80-9.3315.11-6.953.6910.2948.4523.7520.36-20.96
2022 (8)22.4943.617.50-27.416.23-30.3748.6837.7539.15-10.4525.7672.65
2021 (7)15.66-19.2410.33-23.0823.3123.7935.3430.0243.728.9714.92153.31
2020 (6)19.39-54.7813.4326.2218.83121.2727.18-20.7840.1217.455.89-32.06
2019 (5)42.8860.5410.6421.468.51-37.7534.31-17.6234.1618.28.67-67.17
2018 (4)26.7186.658.76-3.9513.67-46.4141.654.0528.900.5926.41-28.25
2017 (3)14.31-19.119.123.1725.5123.6540.03-3.0528.730.6736.8110.24
2016 (2)17.69-22.588.8413.6220.6329.141.29-12.0228.54-10.3933.397.54
2015 (1)22.85-12.357.78-4.8915.9814.1446.935.1331.852.8131.0512.26

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