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
25Q1 (20)9.2821.7832.760.06100.0-25.09.80-17.92-24.731630.34-37.3843.9204.80-43.2-30.541435.34-36.3568.64
24Q4 (19)7.62-23.57-15.990.03-66.67-25.011.9430.7818.922603.71151.5313.16360.5677.95-39.252255.10167.9431.31
24Q3 (18)9.9737.9-5.850.0912.5-25.09.13-27.486.291035.15-5.2431.79202.62-27.7915.98841.652.0935.9
24Q2 (17)7.233.43-30.880.080.0-20.012.59-3.344.711092.41-3.5821.52280.60-4.8370.55824.39-3.1410.94
24Q1 (16)6.99-22.93-46.060.08100.0-27.2713.0229.6885.471132.95-50.7641.01294.83-50.3243.57851.13-50.4440.66
23Q4 (15)9.07-14.35-19.310.04-66.67-63.6410.0416.8824.12300.88192.94186.76593.48239.69167.011717.44177.31191.99
23Q3 (14)10.591.24-22.980.1220.0-20.08.59-1.2629.76785.45-12.6233.0174.716.1957.94619.33-16.6627.28
23Q2 (13)10.46-19.2938.540.10-9.09-28.578.7023.93-27.86898.9311.8938.03164.53-19.8832.14743.1022.8137.92
23Q1 (12)12.9615.345.620.110.0-26.677.02-13.23-31.31803.430.1333.9205.35-7.612.43605.102.8747.66
22Q4 (11)11.24-18.2541.030.11-26.67-15.388.0922.21-29.16802.3635.8618.89222.27100.93-3.17588.1920.8828.78
22Q3 (10)13.7582.12114.510.157.1415.386.62-45.11-53.35590.58-9.31-13.87110.62-11.16-10.01486.58-9.69-15.67
22Q2 (9)7.55-15.1749.210.14-6.670.012.0618.0-32.93651.248.53-2.27124.51-37.89-35.11538.7931.489.41
22Q1 (8)8.9011.6782.00.1515.387.1410.22-10.51-45.11600.04-11.09-5.39200.47-12.67-28.61409.79-10.2810.14
21Q4 (7)7.9724.3499.750.130.0-31.5811.42-19.52-49.98674.85-1.5940.11229.5586.73-16.58456.73-20.8499.17
21Q3 (6)6.4126.68-10.970.13-7.14-60.6114.19-21.0812.26685.722.91147.7122.93-35.94-48.69576.9817.171056.97
21Q2 (5)5.063.48-0.980.140.0-48.1517.98-3.441.01666.355.0695.57191.89-31.67-25.45492.4432.35387.03
21Q1 (4)4.8922.560.00.14-26.320.018.62-18.440.0634.2531.680.0280.812.040.0372.0662.240.0
20Q4 (3)3.99-44.580.00.19-42.420.022.8380.620.0481.6773.990.0275.1914.850.0229.32359.840.0
20Q3 (2)7.2040.90.00.3322.220.012.64-28.990.0276.83-18.750.0239.60-6.920.049.87-50.680.0
20Q2 (1)5.110.00.00.270.00.017.800.00.0340.720.00.0257.410.00.0101.110.00.0
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)34.05-25.660.29-17.1410.7234.51262.3621.01240.75-20.71032.3338.08
2023 (9)45.8023.980.35-35.197.97-19.331043.2253.79303.5816.32747.6174.98
2022 (8)36.94123.470.540.09.88-55.25678.360.37260.98-11.24427.255.77
2021 (7)16.53-27.970.54-41.322.0838.87675.8970.04294.0419.84403.93140.42
2020 (6)22.95-22.860.92-66.6715.9029.58397.48200.28245.37-17.83168.010
2019 (5)29.759.622.76-43.5612.27-8.77132.3777.37298.638.75-153.990
2018 (4)27.14-15.434.89112.6113.4518.2974.63-52.92274.6125.93-186.530
2017 (3)32.09-9.732.3053.3311.3710.71158.53-34.86218.075.88-48.160
2016 (2)35.551.251.50-9.0910.27-1.15243.3710.13205.9623.5147.67-26.22
2015 (1)35.11-21.491.65-44.0710.3927.33220.9878.54166.7624.264.610

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