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)1.318.2611.972.256.13-13.7969.57-7.57-10.3440.39-5.7415.733.93-11.0923.97106.04-6.74-2.99
24Q3 (19)1.21-0.820.02.12-7.42-10.5575.270.88-0.1342.857.6911.654.4217.8716.32113.702.763.41
24Q2 (18)1.228.936.092.29-5.3711.1774.61-8.38-5.8139.795.66-9.923.75-4.09-4.09110.65-3.93-7.38
24Q1 (17)1.12-4.27-3.452.42-7.288.0481.434.953.6337.667.91-7.313.9123.3440.65115.185.37-1.07
23Q4 (16)1.17-3.315.412.6110.13-2.6177.592.95-5.1834.90-9.072.923.17-16.580.96109.31-0.58-2.92
23Q3 (15)1.215.22-1.632.3715.0513.475.37-4.852.2138.38-13.11-11.733.80-2.8125.0109.95-7.97-3.7
23Q2 (14)1.15-0.863.62.06-8.0411.9679.210.8-3.5344.178.71-10.53.9140.652.09119.472.61-6.39
23Q1 (13)1.164.5-16.552.24-16.422.7578.58-3.9720.2340.6319.82-2.52.78-11.46-28.72116.433.412.91
22Q4 (12)1.11-9.76-12.62.6828.2333.3381.8310.9714.1433.91-22.01-24.943.143.29-45.86112.60-1.381.38
22Q3 (11)1.2310.81-2.382.0913.59-11.8173.74-10.192.0143.48-11.8913.233.04-20.63-63.81114.18-10.5411.63
22Q2 (10)1.11-20.14-11.91.84-15.6-28.9682.1125.6313.3849.3518.4340.23.83-1.79-54.78127.6323.7728.72
22Q1 (9)1.399.4515.832.188.46-5.6365.36-8.83-14.1541.67-7.775.63.90-32.76-49.02103.12-7.16-4.47
21Q4 (8)1.270.794.12.01-15.19-9.4671.69-0.83-3.6245.1817.6610.015.80-30.95-14.83111.078.592.23
21Q3 (7)1.260.0-1.562.37-8.49-5.9572.29-0.181.7338.409.096.528.40-0.834.48102.283.163.23
21Q2 (6)1.265.06.782.5912.12-10.3872.42-4.87-6.4735.20-10.811.688.4710.728.3199.15-8.14-1.96
21Q1 (5)1.20-1.640.02.314.05-16.076.132.350.5939.46-3.9219.187.6512.3358.06107.94-0.653.84
20Q4 (4)1.22-4.690.02.22-11.90.074.384.670.041.0713.930.06.81-15.30.0108.659.660.0
20Q3 (3)1.288.470.02.52-12.80.071.06-8.230.036.0514.370.08.042.810.099.08-2.030.0
20Q2 (2)1.18-1.670.02.895.090.077.432.310.031.52-4.80.07.8261.570.0101.13-2.710.0
20Q1 (1)1.200.00.02.750.00.075.680.00.033.110.00.04.840.00.0103.950.00.0
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)4.714.439.45-10.0977.55-4.2438.6111.142.8014.29113.350.07
2023 (9)4.51-6.8210.5124.8280.987.3434.74-19.92.45-9.26113.27-2.45
2022 (8)4.842.118.4210.3575.44-2.1143.37-9.382.70-42.55116.11-3.43
2021 (7)4.74-1.467.63-22.6277.071.647.8629.284.707.31120.2310.82
2020 (6)4.812.569.8611.4175.86-2.6337.02-10.254.38-32.3108.49-3.73
2019 (5)4.69-8.048.8510.3577.918.8441.25-9.326.47-36.57112.695.45
2018 (4)5.108.978.026.9371.58-8.1745.49-6.5310.20-11.84106.87-7.11
2017 (3)4.68-10.07.50-23.0877.9511.0748.6730.0611.5749.87115.0515.18
2016 (2)5.20-6.819.7513.2470.187.2937.42-11.687.7250.7899.89-2.7
2015 (1)5.58-6.068.615.065.416.3842.37-4.815.12-0.97102.661.8

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